The executive, also referred as the executive branch or executive power, is the term commonly used to describe that part of government which executes the law.
Separation of powers refers to the division of a state's government into branches, each with separate, independent powers and responsibilities, so that the powers of one branch are not in conflict with others. The typical division into three branches of government, sometimes called the trias politica model, includes a legislature, an executive, and a judiciary. It can be contrasted with the fusion of powers in monarchies, but also parliamentary and semi-presidential systems where there can be overlap in membership and functions between different branches, especially the executive and legislative.
A legislature is an assembly with the authority to make laws for a political entity such as a country, nation or city. They are often contrasted with the executive and judicial powers of government.
A presidential system, or single executive system, is a form of government in which a head of government, typically with the title of president, leads an executive branch that is separate from the legislative branch in systems that use separation of powers. This head of government is in most cases also the head of state. In a presidential system, the head of government is directly or indirectly elected by a group of citizens and is not responsible to the legislature, and the legislature cannot dismiss the president except in extraordinary cases. A presidential system contrasts with a parliamentary system, where the head of government comes to power by gaining the confidence of an elected legislature.
A semi-presidential republic, or dual executive republic, is a republic in which a president exists alongside a prime minister and a cabinet, with the latter two being responsible to the legislature of the state. It differs from a parliamentary republic in that it has an executive head of state; and from the presidential system in that the cabinet, although named by the president, is responsible to the legislature, which may force the cabinet to resign through a motion of no confidence.
Tricameralism is the practice of having three legislative or parliamentary chambers. It is contrasted with unicameralism and bicameralism, each of which is far more common.
Cohabitation is a system of divided government that occurs in semi-presidential systems, such as France, whenever the president is from a different political party than the majority of the members of parliament. It occurs because such a system forces the president to name a premier who will be acceptable to the majority party within parliament. Thus, cohabitation occurs because of the duality of the executive: an independently elected president and a prime minister who must be acceptable both to the president and to the legislature.
In the United States, divided government describes a situation in which one party controls the White House, while another party controls one or both houses of the United States Congress. Divided government is seen by different groups as a benefit or as an undesirable product of the model of governance used in the U.S. political system. Under said model, known as the separation of powers, the state is divided into different branches. Each branch has separate and independent powers and areas of responsibility so that the powers of one branch are not in conflict with the powers associated with the others. The degree to which the president of the United States has control of Congress often determines their political strength, such as the ability to pass sponsored legislation, ratify treaties, and have Cabinet members and judges approved. Early in the 19th century, divided government was rare but since the 1970s it has become increasingly common.
The powers of the president of the United States include those explicitly granted by Article II of the United States Constitution as well as those granted by Acts of Congress, implied powers, and also a great deal of soft power that is attached to the presidency.
The politics of Australia operates under the written Australian Constitution, which sets out Australia as a constitutional monarchy, governed via a parliamentary democracy in the Westminster tradition. Australia is also a federation, where power is divided between the federal government and the states and territories. The monarch, currently King Charles III, is the head of state and is represented locally by the Governor-General of Australia, while the head of government is the Prime Minister of Australia, currently Anthony Albanese.
A parliamentary republic is a republic that operates under a parliamentary system of government where the executive branch derives its legitimacy from and is accountable to the legislature. There are a number of variations of parliamentary republics. Most have a clear differentiation between the head of government and the head of state, with the head of government holding real power and the head of state being a ceremonial position, similar to constitutional monarchies. In some countries the head of state has reserve powers to use at their discretion as a non-partisan "referee" of the political process. Some have combined the roles of head of state and head of government, much like presidential systems, but with a dependency upon parliamentary confidence.
Fusion of powers is a feature of some parliamentary forms of government where different branches of government are intermingled or fused, typically the executive and legislative branches. It is contrasted with the separation of powers found in presidential, semi-presidential and dualistic parliamentary forms of government, where the membership of the legislative and executive powers cannot overlap. Fusion of powers exists in many, if not a majority of, parliamentary democracies, and does so by design. However, in all modern democratic polities the judiciary does not possess legislative or executive powers.
In contrast to unicameralism, and bicameralism, multicameralism is the condition in which a legislature is divided into more than two deliberative assemblies, which are commonly called "chambers" or "houses". This usually includes tricameralism with three chambers, but can also describe a system with any amount more. The word "multicameral" can also relate in other ways to its literal meaning of "many chambered" with use in science or biology.
State governments in India are the governments ruling over 28 states and 8 union territories of India and the head of the Council of Ministers in a state is the Chief Minister. Power is divided between the Union government and state governments. While the Union government handles defence, external affairs etc., the state government deals with internal security and other state issues. Income for the Union government is from customs duty, excise tax, income tax etc., while state government income comes from sales tax (VAT), stamp duty etc.; now these have been subsumed under the various components of the Goods and Services Tax
The Federal Government of Mexico is the national government of the United Mexican States, the central government established by its constitution to share sovereignty over the republic with the governments of the 31 individual Mexican states, and to represent such governments before international bodies such as the United Nations. The Mexican federal government has three branches: executive, legislative, and judicial and functions per the Constitution of the United Mexican States, as enacted in 1917, and as amended. The executive power is exercised by the executive branch, which is headed by the president and his Cabinet, which, together, are independent of the legislature. Legislative power is vested upon the Congress of the Union, a bicameral legislature comprising the Senate and the Chamber of Deputies. Judicial power is exercised by the judiciary, consisting of the Supreme Court of Justice of the Nation, the Council of the Federal Judiciary, and the collegiate, unitary, and district courts.
The Federal Government of Brazil is the national government of the Federative Republic of Brazil, a republic in South America divided into 26 states and a federal district. The Brazilian federal government is divided into three branches: the executive, which is headed by the President and the cabinet; the legislative, whose powers are vested by the Constitution in the National Congress; and the judiciary, whose powers are vested in nine organs, including the Supreme Federal Court and lower federal courts. The seat of the federal government is located in Brasília.
The Separation of powers in Singapore is governed by Constitution of the Republic of Singapore, which splits the power to govern the country between three branches of government – the parliament, which makes laws; the executive, which executes them; and the judiciary, which enforces them. Each branch, while wielding legitimate power and being protected from external influences, is subject to a system of checks and balances by the other branches to prevent abuse of power. This Westminster constitutional model was inherited from the British during Singapore's colonial years.
The Provisional Constitution of the Federal Republic of Somalia is the supreme law of Somalia. It provides the legal foundation for the existence of the Federal Republic and source of legal authority. It sets out the rights and duties of its citizens, and defines the structure of government. The Provisional Constitution was adopted on August 1, 2012 by a National Constitutional Assembly in Mogadishu, Banaadir.
A government trifecta is a political situation in which the same political party controls the executive branch and both chambers of the legislative branch in countries that have a bicameral legislature and an executive that is not fused. The term is primarily used in the United States, where the term originated—being borrowed from horse race betting—but also in Argentina, Bolivia, Brazil, Chile, Colombia, and France.
Semi-parliamentary system can refer to either a prime-ministerial system, in which voters simultaneously vote for both members of legislature and the prime minister, or to a system of government in which the legislature is split into two parts that are both directly elected – one that has the power to remove the members of the executive by a vote of no confidence and another that does not. The former was first proposed by Maurice Duverger, who used it to refer to Israel from 1996 to 2001. The second was identified by German academic Steffen Ganghof.
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