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International relations (IR), international affairs (IA) or international studies (IS) is the scientific study of interactions between sovereign states. In a broader sense, it concerns all activities between states—such as war, diplomacy, trade, and foreign policy—and relations with and among other international actors, such as intergovernmental organisations (IGOs), international non-governmental organisations (INGOs), international legal bodies and multinational corporations (MNCs).
International relations is widely considered a subdiscipline of political science.However, IR draws considerably upon international economics, international law, world history and cultural anthropology. In the U.S., IR is frequently one of the sub-fields within political science departments, but some academic institutions characterise it as an independent or multidisciplinary field.
While international politics has been analysed throughout much of history,IR did not emerge as a discrete field until the turn of the 20th century, initially as an extension of political science; it was first distinguished as its own discipline in 1919, when it was offered as an undergraduate major by Aberystwyth University in Wales. Over the next decade, similar studies were established at the University of Oxford and London School of Economics, which led the field to develop its independence and prominence.
After the Second World War, international relations burgeoned in both importance and scholarship—particularly in North America and Western Europe—partly in response to the geostrategic concerns of the Cold War. The collapse of the Soviet Union and subsequent rise of globalisation in the late 20th century presaged new theories and evaluations of the rapidly changing international system [ disambiguation needed ]. Into the 21st century, as connections between states become progressively more complex and multifaceted, international relations has been incorporated into other fields, such as economics, law, and history, leading to a convergent, interdisciplinary field.
International relations or international affairs is, dependent on the academic institution, either a subdiscipline of political science, or a broader multidisciplinary field of global politics, law, economics and world history. As a subdiscipline of political science, the focus of IR studies lie on political, diplomatic and security connections between states, as well as the study of modern political world history. In many academic institutions, studies of IR are thus situated in the department of politics/social sciences. This is for example the case in Scandinavia, where international relations are often simply referred to as international politics (IP).
In institutions where international relations refers to the broader multidisciplinary field of global politics, law, economics and history, the subject may be studied across multiple departments, or be situated in its own department, as is the case at for example the London School of Economics.An undergraduate degree in multidisciplinary international relations may lead to a more specialised master's degree of either international politics, economics, or international law.
International studies is in all cases referring to the broader multidisciplinary IR field, where also global economics, law, and world history form central components of scholarship.The use of international studies instead of international relations is used to distinguish multidisciplinary IR from IR as a political science discipline. The use of the term international studies has become the norm in many universities where IR is traditionally studied as a branch of political science, to denote its independence as an academic field.
While often confused with the study of international relations, global studies or global affairs is distinguished by a broader analytical scope where the term global instead of international relations signifies a comparatively lesser focus on the nation state as a fundamental unit of analysis. Global studies focuses more generally on issues of global scope; specifically macro-processes in ecology, anthropology, ethnography, communication, migration, and the general processes of cultural and economic globalisation.
Studies of international relations start thousands of years ago; Barry Buzan and Richard Little consider the interaction of ancient Sumerian city-states, starting in 3,500 BC, as the first fully-fledged international system.Analyses of the foreign policies of sovereign city states have been done in ancient times, as in Thycydides' analysis of the causes of the Pelepponesian War between Athens and Sparta, as well as by Niccolò Machiavelli in his work The Prince, where he analyses the foreign policy of the renaissance city state of Florence. The contemporary field of international relations, however, analyses the connections existing between sovereign nation states. This makes the establishment of the modern state system the natural starting point of international relations history.
The establishment of modern sovereign states as fundamental political units traces back to the Peace of Westphalia of 1648 in Europe. During the preceding Middle Ages, European organization of political authority was based on a vaguely hierarchical religious order. Contrary to popular belief, Westphalia still embodied layered systems of sovereignty, especially within the Holy Roman Empire.More than the Peace of Westphalia, the Treaty of Utrecht of 1713 is thought to reflect an emerging norm that sovereigns had no internal equals within a defined territory and no external superiors as the ultimate authority within the territory's sovereign borders. These principles underpin the modern international legal and political order.
The period between roughly 1500 to 1789 saw the rise of independent, sovereign states, multilateralism, and the institutionalization of diplomacy and the military. The French Revolution contributed the idea that the citizenry of a state, defined as the nation, that were sovereign, rather than a monarch or noble class. A state wherein the nation is sovereign would thence be termed a nation-state, as opposed to a monarchy or a religious state; the term republic increasingly became its synonym. An alternative model of the nation-state was developed in reaction to the French republican concept by the Germans and others, who instead of giving the citizenry sovereignty, kept the princes and nobility, but defined nation-statehood in ethnic-linguistic terms, establishing the rarely if ever fulfilled ideal that all people speaking one language should belong to one state only. The same claim to sovereignty was made for both forms of nation-state. In Europe today, few states conform to either definition of nation-state: many continue to have royal sovereigns, and hardly any are ethnically homogeneous.
The particular European system supposing the sovereign equality of states was exported to the Americas, Africa, and Asia via colonialism and the "standards of civilization". The contemporary international system was finally established through decolonization during the Cold War. However, this is somewhat over-simplified. While the nation-state system is considered "modern", many states have not incorporated the system and are termed "pre-modern".
Further, a handful of states have moved beyond insistence on full sovereignty, and can be considered "post-modern". The ability of contemporary IR discourse to explain the relations of these different types of states is disputed. "Levels of analysis" is a way of looking at the international system, which includes the individual level, the domestic state as a unit, the international level of transnational and intergovernmental affairs, and the global level.
What is explicitly recognized as international relations theory was not developed until after World War I, and is dealt with in more detail below. IR theory, however, has a long tradition of drawing on the work of other social sciences. The use of capitalizations of the "I" and "R" in international relations aims to distinguish the academic discipline of international relations from the phenomena of international relations. Many cite Sun Tzu's The Art of War (6th century BC), Thucydides' History of the Peloponnesian War (5th century BC), Chanakya's Arthashastra (4th century BC), as the inspiration for realist theory, with Hobbes' Leviathan and Machiavelli's The Prince providing further elaboration.
Similarly, liberalism draws upon the work of Kant and Rousseau, with the work of the former often being cited as the first elaboration of democratic peace theory.Though contemporary human rights is considerably different from the type of rights envisioned under natural law, Francisco de Vitoria, Hugo Grotius and John Locke offered the first accounts of universal entitlement to certain rights on the basis of common humanity. In the 20th century, in addition to contemporary theories of liberal internationalism, Marxism has been a foundation of international relations.
International relations as a distinct field of study began in Britain. IR emerged as a formal academic discipline in 1919 with the founding of the first IR professorship: the Woodrow Wilson Chair at Aberystwyth, University of Wales (now Aberystwyth University),held by Alfred Eckhard Zimmern and endowed by David Davies. Georgetown University's Edmund A. Walsh School of Foreign Service is the oldest international relations faculty in the United States, founded in 1919. In the early 1920s, the London School of Economics' department of international relations was founded at the behest of Nobel Peace Prize winner Philip Noel-Baker: this was the first institute to offer a wide range of degrees in the field. This was rapidly followed by establishment of IR at universities in the US and in Geneva, Switzerland. The creation of the posts of Montague Burton Professor of International Relations at LSE and at Oxford gave further impetus to the academic study of international relations. Furthermore, the International History department at LSE developed a focus on the history of IR in the early modern, colonial and Cold War periods.
The first university entirely dedicated to the study of IR was the Graduate Institute of International and Development Studies, which was founded in 1927 to form diplomats associated to the League of Nations. The Committee on International Relations at the University of Chicago was the first to offer a graduate degree, in 1928. The Fletcher School of Law and Diplomacy, a collaboration between Tufts University and Harvard, opened its doors in 1933 as the first graduate-only school of international affairs in the United States.In 1965, Glendon College and the Norman Paterson School of International Affairs were the first institutions in Canada to offer an undergraduate and a graduate program in international studies and affairs, respectively.
The lines between IR and other political science subfields is sometimes blurred, in particular when it comes to the study of conflict, institutions, political economy and political behavior.
Within the study of international relations, there exists multiple theories seeking to explain how states operate within the international system. These can generally be divided into the three main strands of realism, liberalism, and constructivism.
The realist framework of international relations rests on the fundamental assumption that the international state system is an anarchy, with no overarching power restricting the behaviour of sovereign states. As a consequence, states are engaged in a continuous power struggle, where they seek to augment their own military capabilities, economic power, and diplomacy relative to other states; this in order to ensure the protection of their political system, citizens, and vital interests.The realist framework further assumes that states act as unitary, rational actors, where central decision makers in the state apparatus ultimately stand for most of the state's foreign policy decisions. International organisations are in consequence merely seen as tools for individual states used to further their own interests, and are thought to have little power in shaping states' foreign policies on their own.
The realist framework is traditionally associated with the analysis of power-politics, and has been used to analyse the conflicts between states in the early European state-system; the causes of the first and second world wars, as well as the behaviour of the United States and the Soviet Union during the Cold War. In settings such as these the realist framework carries great interpretative insights in explaining how the military and economic power struggles of states lead to larger armed conflicts.
History of the Peloponnesian War , written by Thucydides, is considered a foundational text of the realist school of political philosophy.There is debate over whether Thucydides himself was a realist; Ned Lebow has argued that seeing Thucydides as a realist is a misinterpretation of a more complex political message within his work. Amongst others, philosophers like Machiavelli, Hobbes and Rousseau are considered to have contributed to the Realist philosophy. However, while their work may support realist doctrine, it is not likely that they would have classified themselves as realists in this sense. Political realism believes that politics, like society, is governed by objective laws with roots in human nature. To improve society, it is first necessary to understand the laws by which society lives. The operation of these laws being impervious to our preferences, persons will challenge them only at the risk of failure. Realism, believing as it does in the objectivity of the laws of politics, must also believe in the possibility of developing a rational theory that reflects, however imperfectly and one-sidedly, these objective laws. It believes also, then, in the possibility of distinguishing in politics between truth and opinion—between what is true objectively and rationally, supported by evidence and illuminated by reason, and what is only a subjective judgment, divorced from the facts as they are and informed by prejudice and wishful thinking.
Major theorists include E. H. Carr, Robert Gilpin, Charles P. Kindleberger, Stephen D. Krasner, Hans Morgenthau, Samuel P. Huntington, Kenneth Waltz, Stephen Walt, and John Mearsheimer.
In contrast to realism, the liberal framework emphasises that states, although they are sovereign, do not exist in a purely anarchical system. Rather, liberal theory assumes that states are institutionally constrained by the power of international organisations, and mutually dependent on one another through economic and diplomatic ties. Institutions such as the United Nations, the World Trade Organisation, and the International Court of Justice are taken to over time have developed power and influence to shape the foreign policies of individual states. Furthermore, the existence of the globalised world economy makes continuous military power struggle irrational, as states are dependent on participation in the global trade system to ensure their own survival. As such, the liberal framework stresses cooperation between states as a fundamental part of the international system. States are not seen as unitary actors, but pluralistic arenas where interest groups, non-governmental organisations, and economic actors also shapes the creation of foreign policy.
The liberal framework is associated with analysis of the globalised world as it emerged in the aftermath of World War II. Increased political cooperation through organisations such as the UN, as well as economic cooperation through institutions such as the WTO, the World Bank and the International Monetary Fund, was thought to have made the realist analysis of power and conflict inadequate in explaining the workings of the international system.
The intellectual basis of liberalist theory is often cited as Immanuel Kant's essay Perpetual Peace from 1795. In it, he postulates that states, over time, through increased political and economic cooperation, will come to resemble an international federation - a world government; which will be characterised by continual peace and cooperation.In modern times, liberal international relations theory arose after World War I in response to the ability of states to control and limit war in their international relations. Early adherents include Woodrow Wilson and Norman Angell, who argued that states mutually gained from cooperation and that war was so destructive as to be essentially futile. Liberalism was not recognized as a coherent theory as such until it was collectively and derisively termed idealism by E. H. Carr. A new version of "idealism" that focused on human rights as the basis of the legitimacy of international law was advanced by Hans Köchler.
Major theorists include Montesquieu, Immanuel Kant, Michael W. Doyle, Francis Fukuyama, and Helen Milner.
Neoliberalism seeks to update liberalism by accepting the neorealist presumption that states are the key actors in international relations, but still maintains that non-state actors (NSAs) and intergovernmental organizations (IGOs) matter. Proponents argue that states will cooperate irrespective of relative gains, and are thus concerned with absolute gains. This also means that nations are, in essence, free to make their own choices as to how they will go about conducting policy without any international organizations blocking a nation's right to sovereignty. Neoliberal institutionalism, an approach founded by Robert Keohane and Joseph Nye, emphasize the important role of international institutions in maintaining an open global trading regime.
Prominent neoliberal institutionalists are John Ikenberry, Robert Keohane, and Joseph Nye.
Regime theory is derived from the liberal tradition that argues that international institutions or regimes affect the behaviour of states (or other international actors). It assumes that cooperation is possible in the anarchic system of states, indeed, regimes are by definition, instances of international cooperation.
While realism predicts that conflict should be the norm in international relations, regime theorists say that there is cooperation despite anarchy. Often they cite cooperation in trade, human rights and collective security among other issues. These instances of cooperation are regimes. The most commonly cited definition of regimes comes from Stephen Krasner, who defines regimes as "principles, norms, rules, and decision-making procedures around which actor expectations converge in a given issue-area".
Not all approaches to regime theory, however, are liberal or neoliberal; some realist scholars like Joseph Grieco have developed hybrid theories which take a realist based approach to this fundamentally liberal theory. (Realists do not say cooperation never happens, just that it is not the norm; it is a difference of degree).
The constructivist framework rests on the fundamental assumption that the international system is built on social constructs; such as ideas, norms, and identities. Various political actors, such as state leaders, policy makers, and the leaders of international organisations, are socialised into different roles and systems of norms, which define how the international system operates. The constructivist scholar Alexander Wendt, in a 1992 article in International Organization, noted in response to realism that "anarchy is what states make of it". By this he means that the anarchic structure that realists claim governs state interaction is in fact a phenomenon that is socially constructed and reproduced by states.
Constructivism is part of critical theory, and as such seeks to criticise the assumptions underlying traditional IR theory. Constructivist theory would for example claim that the state leaders of the United States and Soviet Union were socialised into different roles and norms, which can provide theoretical insights to how the conflict between the nations was conducted during the Cold War. E.g., prominent US policy makers frequently spoke of the USSR as an 'evil empire', and thus socialised the US population and state apparatus into an anti-communist sentiment, which defined the norms conducted in US foreign policy. Other constructivist analyses include the discourses on European integration; senior policy-making circles were socialised into ideas of Europe as an historical and cultural community, and therefore sought to construct institutions to integrate European nations into a single political body. Constructivism is also present in the analysis of international law, where norms of conduct such as the prohibition of chemical weapons, torture, and the protection of civilians in war, are socialised into international organisations, and stipulated into rules.
Prominent constructivist IR scholars are Rawi Abdelal, Michael Barnett, Mark Blyth, Martha Finnemore, Ted Hopf, Kathryn Sikkink and Alexander Wendt.
Post-structuralism theories of international relations (also called critical theories due to being inherently critical of traditional IR frameworks) developed in the 1980s from postmodernist studies in political science. Post-structuralism explores the deconstruction of concepts traditionally not problematic in IR (such as "power" and "agency") and examines how the construction of these concepts shapes international relations. The examination of "narratives" plays an important part in poststructuralist analysis; for example, feminist poststructuralist work has examined the role that "women" play in global society and how they are constructed in war as "innocent" and "civilians". Rosenberg's article "Why is there no International Historical Sociology"was a key text in the evolution of this strand of international relations theory. Post-structuralism has garnered both significant praise and criticism, with its critics arguing that post-structuralist research often fails to address the real-world problems that international relations studies is supposed to contribute to solving. Constructivist theory (see above) is the most prominent strand of post-structuralism. Other prominent post-structuralist theories are marxism, dependency theory, feminism, and the theories of the English school. See also Critical international relations theory.
Marxist and Neo-Marxist theories of IR reject the realist/liberal view of state conflict or cooperation; instead focusing on the economic and material aspects. It makes the assumption that the economy trumps other concerns, making economic class the fundamental level of analysis. Marxists view the international system as an integrated capitalist system in pursuit of capital accumulation. Thus, colonialism brought in sources for raw materials and captive markets for exports, while decolonialization brought new opportunities in the form of dependence.
A prominent derivative of Marxian thought is critical international relations theory which is the application of "critical theory" to international relations. Early critical theorists were associated with the Frankfurt School, which followed Marx's concern with the conditions that allow for social change and the establishment of rational institutions. Their emphasis on the "critical" component of theory was derived significantly from their attempt to overcome the limits of positivism. Modern-day proponents such as Andrew Linklater, Robert W. Cox and Ken Booth focus on the need for human emancipation from the nation-state. Hence, it is "critical" of mainstream IR theories that tend to be both positivist and state-centric.
Further linked in with Marxist theories is dependency theory and the core–periphery model, which argue that developed countries, in their pursuit of power, appropriate developing states through international banking, security and trade agreements and unions on a formal level, and do so through the interaction of political and financial advisors, missionaries, relief aid workers, and MNCs on the informal level, in order to integrate them into the capitalist system, strategically appropriating undervalued natural resources and labor hours and fostering economic and political dependence.
Feminist IR considers the ways that international politics affects and is affected by both men and women and also at how the core concepts that are employed within the discipline of IR (e.g. war, security, etc.) are themselves gendered. Feminist IR has not only concerned itself with the traditional focus of IR on states, wars, diplomacy and security, but feminist IR scholars have also emphasized the importance of looking at how gender shapes the current global political economy. In this sense, there is no clear cut division between feminists working in IR and those working in the area of International Political Economy (IPE). From its inception, feminist IR has also theorized extensively about men and, in particular, masculinities. Many IR feminists argue that the discipline is inherently masculine in nature. For example, in her article "Sex and Death in the Rational World of Defense Intellectuals" Signs (1988), Carol Cohn claimed that a highly masculinized culture within the defence establishment contributed to the divorcing of war from human emotion.
Feminist IR emerged largely from the late 1980s onwards. The end of the Cold War and the re-evaluation of traditional IR theory during the 1990s opened up a space for gendering International Relations. Because feminist IR is linked broadly to the critical project in IR, by and large most feminist scholarship have sought to problematize the politics of knowledge construction within the discipline – often by adopting methodologies of deconstructivism associated with postmodernism/poststructuralism. However, the growing influence of feminist and women-centric approaches within the international policy communities (for example at the World Bank and the United Nations) is more reflective of the liberal feminist emphasis on equality of opportunity for women.
Prominent scholars include Carol Cohn, Cynthia Enloe, Sara Ruddick, and J. Ann Tickner.
International society theory, also called the English School, focuses on the shared norms and values of states and how they regulate international relations. Examples of such norms include diplomacy, order, and international law. Theorists have focused particularly on humanitarian intervention, and are subdivided between solidarists, who tend to advocate it more, and pluralists, who place greater value in order and sovereignty. Nicholas Wheeler is a prominent solidarist, while Hedley Bull and Robert H. Jackson are perhaps the best known pluralists. Some English School theoreticians have used historical cases in order to show the influence that normative frameworks have on the evolution of the international political order at various critical junctures.
International relations are often viewed in terms of levels of analysis. The systemic level concepts are those broad concepts that define and shape an international milieu, characterized by anarchy. Focusing on the systemic level of international relations is often, but not always, the preferred method for neo-realists and other structuralist IR analysts.
Preceding the concepts of interdependence and dependence, international relations relies on the idea of sovereignty. Described in Jean Bodin's "Six Books of the Commonwealth" in 1576, the three pivotal points derived from the book describe sovereignty as being a state, that the sovereign power(s) have absolute power over their territories, and that such a power is only limited by the sovereign's "own obligations towards other sovereigns and individuals".Such a foundation of sovereignty is indicated by a sovereign's obligation to other sovereigns, interdependence and dependence to take place. While throughout world history there have been instances of groups lacking or losing sovereignty, such as African nations prior to decolonization or the occupation of Iraq during the Iraq War, there is still a need for sovereignty in terms of assessing international relations.
The concept of power in international relations can be described as the degree of resources, capabilities, and influence in international affairs. It is often divided up into the concepts of hard power and soft power, hard power relating primarily to coercive power, such as the use of force, and soft power commonly covering economics, diplomacy and cultural influence. However, there is no clear dividing line between the two forms of power.
Perhaps the most significant concept behind that of power and sovereignty, national interest is a state's action in relation to other states where it seeks to gain advantage or benefits to itself. National interest, whether aspirational or operational, is divided by core/vital and peripheral/non-vital interests. Core or vital interests constitute the things which a country is willing to defend or expand with conflict such as territory, ideology (religious, political, economic), or its citizens. Peripheral or non-vital are interests which a state is willing to compromise. For example, in Germany's annexation of the Sudetenland in 1938 (a part of Czechoslovakia) under the Munich Agreement, Czechoslovakia was willing to relinquish territory which was considered ethnically German in order to preserve its own integrity and sovereignty.
In the 21st century, the status-quo of the international system is no longer monopolized by states alone. Rather, it is the presence of non-state actors, who autonomously act to implement unpredictable behaviour to the international system. Whether it is transnational corporations, liberation movements, non-governmental agencies, or international organizations, these entities have the potential to significantly influence the outcome of any international transaction. Additionally, this also includes the individual person as while the individual is what constitutes the states collective entity, the individual does have the potential to also create unpredicted behaviours. Al-Qaeda, as an example of a non-state actor, has significantly influenced the way states (and non-state actors) conduct international affairs.
The existence of power blocs in international relations is a significant factor related to polarity. During the Cold War, the alignment of several nations to one side or another based on ideological differences or national interests has become an endemic feature of international relations. Unlike prior, shorter-term blocs, the Western and Soviet blocs sought to spread their national ideological differences to other nations. Leaders like U.S. President Harry S. Truman under the Truman Doctrine believed it was necessary to spread democracy whereas the Warsaw Pact under Soviet policy sought to spread communism. After the Cold War, and the dissolution of the ideologically homogeneous Eastern bloc still gave rise to others such as the South-South Cooperation movement.
Polarity in international relations refers to the arrangement of power within the international system. The concept arose from bipolarity during the Cold War, with the international system dominated by the conflict between two superpowers, and has been applied retrospectively by theorists. However, the term bipolar was notably used by Stalin who said he saw the international system as a bipolar one with two opposing powerbases and ideologies. Consequently, the international system prior to 1945 can be described as multipolar, with power being shared among Great powers.
The collapse of the Soviet Union in 1991 had led to unipolarity, with the United States as a sole superpower, although many refuse to acknowledge the fact. China's continued rapid economic growth—it became the world's second-largest economy in 2010—respectable international position, and the power the Chinese Government exerts over its people (consisting of the largest population in the world), resulted in debate over whether China is now a superpower or a possible candidate in the future. However, China's strategic force unable of projecting power beyond its region and its nuclear arsenal of 250 warheads (compared to 7,700 of the United States[ citation needed ]) mean that the unipolarity will persist in the policy-relevant future.
Several theories of international relations draw upon the idea of polarity. The balance of power was a concept prevalent in Europe prior to the First World War, the thought being that by balancing power blocs it would create stability and prevent war. Theories of the balance of power gained prominence again during the Cold War, being a central mechanism of Kenneth Waltz's Neorealism. Here, the concepts of balancing (rising in power to counter another) and bandwagonning (siding with another) are developed.
Robert Gilpin's Hegemonic stability theory also draws upon the idea of polarity, specifically the state of unipolarity. Hegemony is the preponderance of power at one pole in the international system, and the theory argues this is a stable configuration because of mutual gains by both the dominant power and others in the international system. This is contrary to many neorealist arguments, particularly made by Kenneth Waltz, stating that the end of the Cold War and the state of unipolarity is an unstable configuration that will inevitably change.
The case of Gilpin proved to be correct and Waltz's article titled "The Stability of a Bipolar World"was followed in 1999 by William Wohlforth's article titled "The Stability of a Unipolar World"
Waltz's thesis can be expressed in power transition theory, which states that it is likely that a great power would challenge a hegemon after a certain period, resulting in a major war. It suggests that while hegemony can control the occurrence of wars, it also results in the creation of one. Its main proponent, A. F. K. Organski, argued this based on the occurrence of previous wars during British, Portuguese, and Dutch hegemony.
Many advocate that the current international system is characterized by growing interdependence; the mutual responsibility and dependency on others. Advocates of this point to growing globalization, particularly with international economic interaction. The role of international institutions, and widespread acceptance of a number of operating principles in the international system, reinforces ideas that relations are characterized by interdependence.
Dependency theory is a theory most commonly associated with Marxism, stating that a set of core states exploit a set of weaker periphery states for their prosperity. Various versions of the theory suggest that this is either an inevitability (standard dependency theory), or use the theory to highlight the necessity for change (Neo-Marxist).
As a level of analysis the unit level is often referred to as the state level, as it locates its explanation at the level of the state, rather than the international system.
It is often considered that a state's form of government can dictate the way that a state interacts with others in the international relation.
Democratic peace theory is a theory that suggests that the nature of democracy means that democratic countries will not go to war with each other. The justifications for this are that democracies externalize their norms and only go to war for just causes, and that democracy encourages mutual trust and respect.
Communism justifies a world revolution, which similarly would lead to peaceful coexistence, based on a proletarian global society.
States can be classified by whether they accept the international status quo, or are revisionist—i.e., want change. Revisionist states seek to fundamentally change the rules and practices of international relations, feeling disadvantaged by the status quo. They see the international system as a largely western creation which serves to reinforce current realities. Japan is an example of a state that has gone from being a revisionist state to one that is satisfied with the status quo, because the status quo is now beneficial to it.
Religion can have an effect on the way a state acts within the international system, and different theoretical perspectives treat it in somewhat different fashion. One dramatic example is the Thirty Years' War (1618–48) that ravaged much of Europe, which was at least partly motivated by theological differences within Christianity. Religion is a major organizing principle particularly for Islamic states, whereas secularism sits at the other end of the spectrum, with the separation of state and religion being responsible for the liberal international relations theory. The September 11 attacks in the United States, the role of Islam in terrorism, and religious strife in the Middle East have made the role of religion in international relations a major topic. China's reemergence as a major international power is believed by some scholars to be shaped by Confucianism.
The level beneath that of the unit (state) can be useful both for explaining factors in international relations that other theories fail to explain, and for moving away from a state-centric view of international relations.
Since the mid 20th century, international relations has proliferated worldwide, and most major universities offer programs at the undergraduate, graduate, and post-graduate levels.
International institutions form a vital part of contemporary international relations. Much interaction at the system level is governed by them, and they outlaw some traditional institutions and practices of international relations, such as the use of war (except in self-defence).
The United Nations (UN) is an international organization that describes itself as a "global association of governments facilitating co-operation in international law, international security, economic development, and social equity"; It is the most prominent international institution. Many of the legal institutions follow the same organizational structure as the UN.
The Organisation of Islamic Cooperation (OIC) is an international organization consisting of 57 member states. The organisation attempts to be the collective voice of the Muslim world (Ummah) and attempts to safeguard the interests and ensure the progress and well-being of Muslims.
Other generalist inter-state organizations include:
Sovereignty is the supreme authority within a territory. Sovereignty entails hierarchy within the state, as well as external autonomy for states. In any state, sovereignty is assigned to the person, body, or institution that has the ultimate authority over other people in order to establish a law or change an existing law. In political theory, sovereignty is a substantive term designating supreme legitimate authority over some polity. In international law, sovereignty is the exercise of power by a state. De jure sovereignty refers to the legal right to do so; de facto sovereignty refers to the factual ability to do so. This can become an issue of special concern upon the failure of the usual expectation that de jure and de facto sovereignty exist at the place and time of concern, and reside within the same organization.
International relations theory is the study of international relations (IR) from a theoretical perspective. It seeks to explain causal and constitutive effects in international politics. Ole Holsti describes international relations theories as acting like pairs of coloured sunglasses that allow the wearer to see only salient events relevant to the theory; e.g., an adherent of realism may completely disregard an event that a constructivist might pounce upon as crucial, and vice versa. The three most prominent theories are realism, liberalism and constructivism.
World order is an international relations term describing the distribution of power among world powers.
Regime theory is a theory within international relations derived from the liberal tradition that argues that international institutions or regimes affect the behavior of states or other international actors. It assumes that cooperation is possible in the anarchic system of states, as regimes are, by definition, instances of international cooperation.
International security, also called global security, is a term which refers to the measures taken by states and international organizations, such as the United Nations, European Union, and others, to ensure mutual survival and safety. These measures include military action and diplomatic agreements such as treaties and conventions. International and national security are invariably linked. International security is national security or state security in the global arena.
Realism is one of the dominant schools of thought in international relations theory, theoretically formalising the Realpolitik statesmanship of early modern Europe. Although a highly diverse body of thought, it is unified by the belief that world politics is always and necessarily a field of conflict among actors pursuing power. The theories of realism are contrasted by the cooperative ideals of liberalism.
Polarity in international relations is any of the various ways in which power is distributed within the international system. It describes the nature of the international system at any given period of time. One generally distinguishes three types of systems: unipolarity, bipolarity, and multipolarity for three or more centers of power. The type of system is completely dependent on the distribution of power and influence of states in a region or globally.
Functionalism is a theory of international relations that arose during the interwar period principally from the strong concern about the obsolescence of the state as a form of social organization. Rather than the self-interest of nation states that realists see as a motivating factor, functionalists focus on common interests and needs shared by states in a process of global integration triggered by the erosion of state sovereignty and the increasing weight of knowledge and hence of scientists and experts in the process of policy-making. Its roots can be traced back to the liberal/idealist tradition that started with Kant and goes as far as Woodrow Wilson's "Fourteen Points" speech.
In international relations, institutionalism comprises a group of differing theories on international relations (IR). Functionalist and neofunctionalist approaches, regime theory, and state cartel theory have in common their focus on the role of formal and informal rules, norms, practices, and conventions for international politics.
Westphalian sovereignty, or state sovereignty, is a principle in international law that each state has exclusive sovereignty over its territory. The principle underlies the modern international system of sovereign states and is enshrined in the United Nations Charter, which states that "nothing ... shall authorize the United Nations to intervene in matters which are essentially within the domestic jurisdiction of any state." According to the idea, every state, no matter how large or small, has an equal right to sovereignty. Political scientists have traced the concept to the Peace of Westphalia (1648), which ended the Thirty Years' War. The principle of non-interference was further developed in the 18th century. The Westphalian system reached its peak in the 19th and 20th centuries, but it has faced recent challenges from advocates of humanitarian intervention.
In international relations, constructivism is a social theory that asserts that significant aspects of international relations are shaped by ideational factors, not simply material factors. In contrast to some other prominent IR approaches and theories, constructivists see identities and interests of actors as socially constructed and changeable; identities are not static and cannot be exogenously assumed. Similarly to rational choice, constructivism does not make specific predictions about international relations; it is an approach to studying international politics, not a substantive theory of international politics.
In international relations theory, anarchy is the idea that the world lacks any supreme authority or sovereign. In an anarchic state, there is no hierarchically superior, coercive power that can resolve disputes, enforce law, or order the system of international politics. In international relations, anarchy is widely accepted as the starting point for international relations theory.
The balance of power theory in international relations suggests that states may secure their survival by preventing any one state from gaining enough military power to dominate all others. If one state becomes much stronger, the theory predicts it will take advantage of its weaker neighbors, thereby driving them to unite in a defensive coalition. Some realists maintain that a balance-of-power system is more stable than one with a dominant state, as aggression is unprofitable when there is equilibrium of power between rival coalitions.
The English School of international relations theory maintains that there is a 'society of states' at the international level, despite the condition of anarchy. The English school stands for the conviction that ideas, rather than simply material capabilities, shape the conduct of international politics, and therefore deserve analysis and critique. In this sense it is similar to constructivism, though the English School has its roots more in world history, international law and political theory, and is more open to normative approaches than is generally the case with constructivism.
Neo-medievalism is a term with a long history that has acquired specific technical senses in two branches of scholarship. In political theory about modern international relations, where the term is originally associated with Hedley Bull, it sees the political order of a globalized world as analogous to high-medieval Europe, where neither states nor the Church, nor other territorial powers, exercised full sovereignty, but instead participated in complex, overlapping and incomplete sovereignties. In literary theory regarding the use and abuse of texts and tropes from the Middle Ages in postmodernity, the term neomedieval was popularized by the Italian medievalist Umberto Eco in his 1986 essay "Dreaming of the Middle Ages".
International law, also known as public international law and law of nations, is the set of rules, norms, and standards generally accepted in relations between nations. It establishes normative guidelines and a common conceptual framework for states across a broad range of domains, including war, diplomacy, trade, and human rights. International law aims to promote the practice of stable, consistent, and organized international relations.
State cartel theory is a new concept in the field of international relations theory (IR) and belongs to the group of institutionalist approaches. Up to now the theory has mainly been specified with regard to the European Union (EU), but could be made much more general. Hence state cartel theory should consider all international governmental organizations (IGOs) as cartels made up by states.
A sovereign state is a political entity that is represented by one centralized government that has sovereignty over a geographic area. International law defines sovereign states as having a permanent population, defined territory, one government and the capacity to enter into relations with other sovereign states. It is also normally understood that a sovereign state is independent. According to the declarative theory of statehood, a sovereign state can exist without being recognised by other sovereign states. Unrecognised states will often find it difficult to exercise full treaty-making powers or engage in diplomatic relations with other sovereign states.
International legal theory comprises a variety of theoretical and methodological approaches used to explain and analyse the content, formation and effectiveness of public international law and institutions and to suggest improvements. Some approaches center on the question of compliance: why states follow international norms in the absence of a coercive power that ensures compliance. Other approaches focus on the problem of the formation of international rules: why states voluntarily adopt international legal norms, that limit their freedom of action, in the absence of a world legislature. Other perspectives are policy oriented; they elaborate theoretical frameworks and instruments to criticize the existing rules and make suggestions on how to improve them. Some of these approaches are based on domestic legal theory, others are interdisciplinary, while others have been developed expressly to analyse international law.
In political science, triangular diplomacy is a foreign policy of the United States, developed during the Vietnam War (1955–1975) by Henry Kissinger, as a means to manage relations between contesting Communist powers, the Soviet Union and China. Connecting heavily with the correlating policy of linkage, the policy was intended to exploit the ongoing rivalry between the two Communist powers, as a means to strengthen American hegemony and diplomatic interest.
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