Historically, such views were intertwined with some of the most significant geopolitical events of the 20th century, including the rise and fall of Nazi Germany, the emergency of the Soviet Union as a dominant superpower exerting control over large parts of Europe after World War II, and various treaties, alliances, and positions during the Cold War. The view of the "Western betrayal" has been criticized as political scapegoating by Central and Eastern Europeans.
Perception of betrayal
According to professors Charlotte Bretherton and John Vogler, "notions of western betrayal" is a reference to Polish views of "a sense of historical and moral responsibility" for the West's supposed "abandonment of Central and Eastern Europe at the end of the Second World War".[1][2] In Central and Eastern Europe, the interpretation of the outcomes of the Munich Crisis of 1938 and the Yalta Conference of 1945 as a betrayal of Central and Eastern Europe by Western powers has been used by Central and Eastern European leaders to put pressure on Western countries to acquiesce to more recent political requests such as membership in NATO.[3]
In a few cases deliberate duplicity is alleged, whereby secret agreements or intentions are claimed to have existed in conflict with understandings given publicly. An example is British Prime Minister Winston Churchill's covert concordance with the Soviet Union, in which he stated that the Atlantic Charter did not apply to the Baltic states. Given the strategic requirements of winning the war, retired American diplomat Charles G. Stefan argued Churchill and U.S. President Franklin D. Roosevelt had no option but to accept the demands of their erstwhile ally, Soviet PremierJoseph Stalin, at the Tehran, Yalta, and Potsdam conferences.[4]
There was also a lack of military or political support for the anticommunist rebels during the uprising in German Democratic Republic in 1953, during the Hungarian Revolution of 1956,[5] and during the democracy-oriented reforms in Czechoslovakia in 1968 (the so-called "Prague Spring"). According to Ilya Prizel, the "preoccupation with their historical sense of 'damaged self' fueled resentment" towards the West generally and reinforced the western betrayal concept in particular.[6]Grigory Yavlinsky argues that damage to central European national psyches left by the Western "betrayal" at Yalta and Munich remained a "psychological event" or "psychiatric issue" during debates over NATO expansion.[7]
Criticism of the concept
Colin Powell stated that he did not think "betrayal is the appropriate word" regarding the Allies' role in the Warsaw Uprising.[8] While complaints of "betrayal" are common in politics generally,[9] the idea of a western betrayal can also be seen as a political scapegoat in both Central and Eastern Europe[10][verification needed] and a partisan electioneering phrase among the former Western Allies.[11] Historian Athan Theoharis maintains betrayal myths were used in part by those opposing US membership in the United Nations.[11][verification needed] The word "Yalta" came to stand for the appeasement of world communism and abandonment of freedom.[12]
Along with Italy and Nazi Germany, the Munich treaty was signed by Britain and France, both allied ot Czechoslovakia. Czechoslovakia was allied by treaty with France so it would be obliged to help Czechoslovakia if it was attacked.[16] Czech politicians joined the newspapers in regularly using the term Western betrayal and it, along with the associated feelings, became a stereotype among Czechs. The Czech terms Mnichov (Munich), Mnichovská zrada (Munich betrayal), Mnichovský diktát (Munich Dictate), and zrada spojenců (betrayal of the allies) were coined at the same time and have the same meaning. Poet František Halas published a poem with verse about "ringing bell of betrayal".[17]
On 5 May 1945, the citizens of Prague learned of the American invasion of Czechoslovakia by the US Third Army and revolted against German occupation. In four days of street fighting, thousands of Czechs were killed. Tactical conditions were favourable for an American advance, and General Patton, in command of the army, requested permission to continue eastward to the Vltava river in order to aid the Czech partisans fighting in Prague. This was denied by General Eisenhower, who was disinclined to accept American casualties or risk antagonising the Soviet Union. As a result, Prague was liberated on 9 May by the Red Army, significantly increasing the standing of the Czechoslovak Communist Party. According to a British diplomat, this was the moment that "Czechoslovakia was now definitely lost to the West."[19]
Poland
World War I aftermath
In the late 1920s and early 1930s, a complex set of alliances was established among the nations of Europe, in the hope of preventing future wars (either with Germany or the Soviet Union). With the rise of Nazism in Germany, this system of alliances was strengthened by the signing of a series of "mutual assistance" alliances between France, Britain, and Poland (Franco-Polish alliance). This agreement with France stated that in the event of war the other allies were to fully mobilise and carry out a "ground intervention within two weeks" in support of the ally being attacked.[20][21][22] The Anglo-Polish alliance stated that in the event of hostilities with a European power, the other contracting party would give "all the support and assistance in its power."[23]
According to Krzysztof Źwikliński, additionally representatives of the Western powers made several military promises to Poland, including designs as those made by British General William Edmund Ironside in his July 1939 talks with Marshall Rydz-Śmigły who promised an attack from the direction of Black Sea, or placing a British aircraft carrier in the Baltic.[24] However, the Anglo-Polish alliance did not make that commitment, and the British commitment to France was for four divisions in Europe within 30 days of the outbreak of war, which was met.[25]
Beginning of World War II, 1939
On the eve of the Second World War, the Polish government tried to buy as much armaments as it could and was asking for arms loans from Britain and France. As a result of that in the summer of 1939 Poland placed orders for 160 French Morane-Saulnier M.S.406 fighters, and for 111 British airplanes (100 light bombers Fairey Battle, 10 Hurricanes, and 1 Spitfire).[26] Although some of these planes had been shipped to Poland before 1 September 1939, none took part in combat. Shipments were interrupted due to the outbreak of war. The total amount of the loan from British government was also much smaller than asked for. Britain agreed to lend 8 million pounds, but Poland was asking for 60 million.[27]
Upon the invasion of Poland by Nazi Germany in September 1939, after giving Germany an ultimatum on 1 September, Britain and France declared war on Germany on 3 September, and a British naval blockade of Germany was initiated. General Gort was appointed commander of the British Expeditionary Force (BEF), and placed under the command of French General Gamelin of the North-eastern Theatre of Operations, as agreed before the war. On 4 September, an RAF raid against German warships in harbour was conducted, and the BEF began its shipment to France.
The German forces reached Warsaw on 8 September, and on 14 September, Marshal Edward Rydz-Śmigły ordered Polish forces to withdraw to the Romanian Bridgehead. On 17 September, the Soviet Union invaded Poland, and Polish Army in the field was effectively defeated before the divisions of the BEF could arrive in France. The first two BEF divisions, which took their place in the French line and change of command, on 3 October, and two further BEF divisions took their place in the French line on 12 October.
France had committed to undertaking a ground offensive within two weeks of the outbreak of war. The French initiated full mobilisation and began the limited Saar Offensive on 7 September, sending 40 divisions into the region. The French assault was slowed down by out-dated doctrines, minefields, and the French lacked mine detectors. When the French reached artillery range of the Siegfried Line, they found that their shells could not penetrate the German defences. The French decided to regroup an attack on 20 September, but when Poland was invaded by the Soviet Union on 17 September, any further assault was called off.[28] Around 13 September, the Polish military envoy to France, general Stanisław Burhardt-Bukacki, upon receiving the text of the message sent by Gamelin, alerted Marshal Śmigły: "I received the message by General Gamelin. Please don't believe a single word in the dispatch".[24]
It had been decided that no major air operations against Germany would take place. This was due to French concerns over reprisals on RAF launches from French airfields, against targets in Germany, so most British bomber activity over Germany was the dropping of propaganda leaflets and reconnaissance.[29] This theme would continue in subsequent Anglo-French Supreme War Council meetings. Afterwards, French military leader Maurice Gamelin issued orders prohibiting Polish military envoys Lieutenant Wojciech Fyda and General Stanisław Burhardt-Bukacki from contacting him.[24] In his post-war diaries, General Edmund Ironside, the chief of the Imperial General Staff, commented on French promises: "The French had lied to the Poles in saying they are going to attack. There is no idea of it".[30]
On 17 September 1939 the Soviet Union invaded Poland, as agreed in advance with Germany following the signing of the Molotov–Ribbentrop Pact. Britain and France did not take any significant action in response to the Soviet invasion.[31][32] However, the terms of the Anglo-Polish alliance specifically applied to invasion from Germany only.
France and Britain were unable to launch a successful land attack on Germany in September 1939, and Poland was overcome by both the Germans and Soviets on 6 October, with the last Polish units capitulating that day following the battle of Kock.[33] However, even by the end of October, the still-forming British Expeditionary Force totaled only 4 divisions compared to the 25 German divisions in Western Germany, making a British invasion of Germany unlikely to succeed.[34]
Tehran, 1943
In November 1943, the Big Three (the USSR, US, and UK) met at the Tehran Conference. President Roosevelt and PM Churchill officially agreed that the eastern borders of Poland would roughly follow the Curzon Line.[35] The Polish government-in-exile was not a party to this decision made in secret.[36][37] The resulting loss of the Kresy, or "eastern territories", approximately 48% of Poland's pre-war territory, to the Soviet Union was seen by the London Poles in exile as another "betrayal" by their Western "Allies".[38] However, it was no secret to the Allies that before his death in July 1943 General Władysław Sikorski, Prime Minister of Poland's London-based government in exile had been the originator, and not Stalin, of the concept of a westward shift of Poland's boundaries along an Oder–Neisse line as compensation for relinquishing Poland's eastern territories as part of a Polish rapprochement with the USSR.[39]Józef Retinger, who was Sikorski's special political advisor at the time, was also in agreement with Sikorski's concept of Poland's realigned post-war borders, later in his memoirs Retinger wrote: "At the Tehran Conference, in November 1943, the Big Three agreed that Poland should receive territorial compensation in the West, at Germany's expense, for the land it was to lose to Russia in Central and Eastern Europe. This seemed like a fair bargain."[40]
Churchill told Stalin he could settle the issue with the Poles once a decision was made in Tehran,[41] however he never consulted the Polish leadership.[42] When the Prime Minister of the Polish government-in-exile Stanisław Mikołajczyk attended the Moscow Conference (1944), he was convinced he was coming to discuss borders that were still disputed, while Stalin believed everything had already been settled. This was the principal reason for the failure of the Polish Prime Minister's mission to Moscow.[citation needed] The Polish premier allegedly begged for inclusion of Lwów and Wilno in the new Polish borders, but got the following reply from Vyacheslav Molotov: "There is no use discussing that; it was all settled in Tehran."[43]
Since the establishment of the Polish government-in-exile in Paris and then in London, the military commanders of the Polish army were focusing most of their efforts on preparation of a future all-national uprising against Germany. Finally the plans for Operation Tempest were prepared and on 1 August 1944, the Warsaw Uprising started. The Uprising was an armed struggle by the Polish Home Army to liberate Warsaw from German occupation and Nazi rule.
Despite the fact that Polish and later Royal Air Force (RAF) planes flew missions over Warsaw dropping supplies from 4 August on, the United States Army Air Force (USAAF) planes did not join the operation. The Allies specifically requested the use of Red Army airfields near Warsaw on 20 August but were refused by Stalin on 22 August (he referred to the insurrectionists as "a handful of criminals"). After Stalin's objections to support for the uprising, Churchill telegraphed Roosevelt on 25 August and proposed sending planes in defiance of Stalin and to "see what happens". Roosevelt replied on 26 August that "I do not consider it advantageous to the long-range general war prospect for me to join you in the proposed message to Uncle Joe."[44] The commander of the British air drop, Air Marshal Sir John Slessor, later stated, "How, after the fall of Warsaw, any responsible statesman could trust the Russian Communist further than he could kick him, passes the comprehension of ordinary men."
The Yalta Conference (4-11 February 1945) acknowledged the era of Soviet domination of Central and Eastern Europe, subsequent to the Soviet occupation of these lands as they advanced against Nazi Germany. This domination lasted until the end of Communist rule in Central and Eastern Europe in late 1989 and the collapse of the Soviet Union in December 1991 and left bitter memories of Western betrayal and Soviet dominance in the collective memory of the region.[45] To many Polish Americans, the Yalta conference "constituted a betrayal" of Poland and the Atlantic Charter.[46] "After World War II," remarked Strobe Talbott, "many countries in the (center and) east suffered half a century under the shadow of Yalta."[45] Territories which the Soviet Union had occupied during World War II in 1939 (with the exception of the Białystok area) were permanently annexed, and most of their Polish inhabitants expelled: today these territories are part of Belarus, Ukraine, and Lithuania. The factual basis of this decision was the result of a forged referendum from November 1939 in which the "huge majority" of voters accepted the incorporation of these lands into western Belarus and western Ukraine. In compensation, Poland was given former German territory (the so-called Recovered Territories): the southern half of East Prussia and all of Pomerania and Silesia, up to the Oder–Neisse line. The German population of these territories was expelled in masses and these territories were subsequently repopulated with Poles including Poles expelled from the Kresy regions. This, along with other similar migrations in Central and Eastern Europe, combined to form one of the largest human migrations in modern times. Stalin ordered Polish resistance fighters to be either incarcerated or deported to gulags in Siberia.
At the time of Yalta over 200,000 troops of the Polish Armed Forces in the West were serving under the high command of the British Army. Many of these men and women were originally from the Kresy region of eastern Poland including cities such as Lwów and Wilno. They had been deported from Kresy to the Soviet gulags when Hitler and Stalin occupied Poland in 1939 in accordance with the Nazi–Soviet Pact. Two years later, when Churchill and Stalin formed an alliance against Hitler, the Kresy Poles were released from the Gulags in Siberia, formed the Anders Army, and marched to Iran to create the II Corps (Poland) under British high command. These Polish troops contributed to the Allied defeat of the Germans in North Africa and Italy, and hoped to return to Kresy in an independent and democratic Poland at the end of the War. But at Yalta, the borders agreed in Tehran in 1943 were finalized meaning that Stalin would keep the Soviet gains Hitler agreed to in the Nazi–Soviet Pact, including Kresy, and carry out Polish population transfers. These transfers included the land Poland gained at Tehran in the West, at the expense of Germany. Consequently, at Yalta, it was agreed that tens of thousands of veteran Polish troops under British command should lose their Kresy homes to the Soviet Union.[47] In reaction, thirty officers and men from the II Corps committed suicide.[48]
Churchill defended his actions in a three-day Parliamentary debate starting 27 February 1945, which ended in a vote of confidence. During the debate, many MPs openly criticised Churchill and passionately voiced loyalty to Britain's Polish allies and expressed deep reservations about Yalta.[48] Moreover, 25 of these MPs risked their careers to draft an amendment protesting against Britain's tacit acceptance of Poland's domination by the Soviet Union. These members included Arthur Greenwood, Viscount Dunglass, Commander Archibald Southby, the Lord Willoughby de Eresby, and Victor Raikes.[48] After the failure of the amendment, Henry Strauss, the Member of Parliament for Norwich, resigned his seat in protest at the British treatment of Poland.[48]
Before the Second World War ended, the Soviets installed a pro-Soviet regime. Although President Roosevelt "insisted on free and unfettered" elections in Poland, Vyacheslav Molotov instead managed to deliver an election fair by "Soviet standards."[49] As many as half a million Polish soldiers refused to return to Poland,[50] because of the Soviet repressions of Polish citizens, the Trial of the Sixteen, and other executions of pro-democracy Poles, particularly the so-called cursed soldiers, former members of the Armia Krajowa. The result was the Polish Resettlement Act 1947,[51] Britain's first mass immigration law.
Yalta was used by ruling communists to underline anti-Western sentiment in Poland.[52][53] It was easy to argue that Poland was not very important to the West, since Allied leaders sacrificed Polish borders, legal government, and free elections for future peace between the Allies and the Soviet Union.[54][55][56]
On the other hand, some authors have pointed out that Yalta allowed the Polish communists to win over Polish nationalists by allowing them to realize their goal to annex and resettle formerly German land.[57]
The Federal Republic of Germany (West Germany), formed in 1949, was portrayed by Communist propaganda as the breeder of Hitler's posthumous offspring who desired retaliation and wanted to take back from Poland the "Recovered Territories" [58] that had been home of more than 8 million Germans. Giving this picture a grain of credibility was that West Germany until 1970 refused to recognize the Oder-Neisse Line as the German-Polish border, and that some West German officials had a tainted Nazi past. For a segment of Polish public opinion, Communist rule was seen as the lesser of the two evils.
Defenders of the actions taken by the Western allies maintain that Realpolitik made it impossible to do anything else, and that they were in no shape to start an utterly un-winnable war with the Soviet Union over the subjugation of Poland and other Central and Eastern European countries immediately after the end of World War II. It could be contended that the presence of a double standard with respect to Nazi and Soviet aggression existed in 1939 and 1940, when the Soviets attacked the eastern part of Poland, then the Baltic States, and then Finland, and yet the Western Allies chose not to intervene in those theatres of the war.
The chief American negotiator at Yalta was Alger Hiss, later accused of being a Soviet spy and convicted of perjuring himself in his testimony to the House Committee on Unamerican Activities. This accusation was later corroborated by the Venona tapes. In 2001, James Barron, a staff reporter for The New York Times, identified what he called a "growing consensus that Hiss, indeed, had most likely been a Soviet agent."[59]
At the war's end many of these feelings of resentment were capitalised on by the occupying Soviets, who used them to reinforce anti-Western sentiments within Poland. Propaganda was produced by Communists to show the Soviet Union as the Great Liberator, and the West as the Great Traitor. For instance, Moscow's Pravda reported in February 1944 that all Poles who valued Poland's honour and independence were marching with the "Union of Polish Patriots" in the USSR.[60]
At some point in the spring of 1945, Churchill commissioned a contingency military enforcement operation plan (war on the Soviet Union) to obtain a "square deal for Poland" (Operation Unthinkable), which resulted in a May 22 report stating unfavorable success odds.[61] The report's arguments included geostrategic issues (possible Soviet-Japanese alliance resulting in moving of Japanese troops from continent to Home Islands, threat to Iran and Iraq) and uncertainties concerning land battles in Europe.[62]
During the Fourth Moscow Conference in 1944, Soviet premier Joseph Stalin and British prime minister Winston Churchill discussed how to divide various European countries into spheres of influence.[63][64][65] Churchill's account of the incident is that Churchill suggested that the Soviet Union should have 90 percent influence in Romania and 75 percent in Bulgaria; the United Kingdom should have 90 percent in Greece; with a 50–50 share in Hungary and Yugoslavia. The two foreign ministers, Anthony Eden and Vyacheslav Molotov, negotiated about the percentage shares on October 10 and 11. The result of these discussions was that the percentages of Soviet influence in Bulgaria and, more significantly, Hungary were amended to 80 percent.
↑ Nowa Encyklopedia Powszechna PWN 1997, vol. VI, 981.
↑ Spencer Tucker, Priscilla Mary Roberts (2005). World War II: A Political, Social, and Military History. ABC-CLIO. ISBN1-57607-999-6.
↑ Text in League of Nations Treaty Series, vol. 23, pp. 164–169.
↑ František Halas, Torzo naděje (1938), poem Zpěv úzkosti, "Zvoní zvoní zrady zvon zrady zvon, Čí ruce ho rozhoupaly, Francie sladká hrdý Albion, a my jsme je milovali"
↑ Hyde, Harlow A. (1988). Scraps of paper: the disarmament treaties between the world wars. Media Publishing & Marketing. p.307. ISBN978-0-939644-46-9.
↑ Count Edward Raczyński (1948). The British-Polish Alliance; Its Origin and Meaning. London: The Mellville Press.{{cite book}}: CS1 maint: numeric names: authors list (link)
↑ Meiklejohn Terry, Sarah (1992). Poland's Place in Europe: General Sikorski and the Origin of the Oder-Neisse Line, 1939-1943. Princeton University Press. p.416. ISBN978-0-691-07643-0.
↑ Retinger, Joseph Hieronim (1972). Joseph Retinger: Memoirs of an Eminence Grise. Ghatto and Windus. p.192. ISBN978-0-85621-002-0.
↑ Athan Theoharis (1971). "The Republican Party and Yalta: partisan exploitation of the Polish American concern over the conference, 1945–1960". Polish American Studies. 28 (1): 5–19. JSTOR20147828.
↑ Operation Unthinkable, report May 22, 1945, page 1 (goals) "1". Archived from the original on November 16, 2010. Retrieved 2015-09-25.
↑ Operation Unthinkable, report May 22, 1945, page 4 (geostrategic implications) "1". Archived from the original on November 16, 2010. Retrieved 2015-09-25.
↑ The American Historical Review, Vol. 83, No. 2, Apr., 1978, p. 368, JSTOR1862322
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The Molotov–Ribbentrop Pact, officially the Treaty of Non-Aggression between Germany and the Union of Soviet Socialist Republics, and also known as the Hitler–Stalin Pact and the Nazi–Soviet Pact, was a non-aggression pact between Nazi Germany and the Soviet Union, with a secret protocol establishing Soviet and German spheres of influence across Northern Europe. The pact was signed in Moscow on 23 August 1939 by Soviet Foreign Minister Vyacheslav Molotov and German Foreign Minister Joachim von Ribbentrop.
The Potsdam Conference was held at Potsdam in the Soviet occupation zone from July 17 to August 2, 1945, to allow the three leading Allies to plan the postwar peace, while avoiding the mistakes of the Paris Peace Conference of 1919. The participants were the Soviet Union, the United Kingdom, and the United States. They were represented respectively by General Secretary Joseph Stalin, Prime Ministers Winston Churchill and Clement Attlee, and President Harry S. Truman. They gathered to decide how to administer Germany, which had agreed to an unconditional surrender nine weeks earlier. The goals of the conference also included establishing the postwar order, solving issues on the peace treaty, and countering the effects of the war.
The Yalta Conference, held 4–11 February 1945, was the World War II meeting of the heads of government of the United States, the United Kingdom and the Soviet Union to discuss the postwar reorganization of Germany and Europe. The three states were represented by President Franklin D. Roosevelt, Prime Minister Winston Churchill, and General Secretary Joseph Stalin. The conference was held near Yalta in Crimea, Soviet Union, within the Livadia, Yusupov, and Vorontsov palaces.
The Curzon Line was a proposed demarcation line between the Second Polish Republic and the Soviet Union, two new states emerging after World War I. Based on a suggestion by Herbert James Paton, it was first proposed in 1919 by Lord Curzon, the British Foreign Secretary, to the Supreme War Council as a diplomatic basis for a future border agreement.
The history of Poland from 1939 to 1945 encompasses primarily the period from the invasion of Poland by Nazi Germany and the Soviet Union to the end of World War II. Following the German–Soviet non-aggression pact, Poland was invaded by Nazi Germany on 1 September 1939 and by the Soviet Union on 17 September. The campaigns ended in early October with Germany and the Soviet Union dividing and annexing the whole of Poland. After the Axis attack on the Soviet Union in the summer of 1941, the entirety of Poland was occupied by Germany, which proceeded to advance its racial and genocidal policies across Poland.
Seventeen days after the German invasion of Poland in 1939, which marked the beginning of the Second World War, the Soviet Union entered the eastern regions of Poland and annexed territories totalling 201,015 square kilometres (77,612 sq mi) with a population of 13,299,000. Inhabitants besides ethnic Poles included Belarusian and Ukrainian major population groups, and also Czechs, Lithuanians, Jews, and other minority groups.
Władysław Eugeniusz Sikorski was a Polish military and political leader.
The Cold War emerged from the breakdown of relations between two of the primary victors of World War II: the United States and Soviet Union, along with their respective allies in the Western Bloc and Eastern Bloc. This ideological and political rivalry, which solidified between 1945-49, would shape the global order for the next four decades.
The Polish government-in-exile, officially known as the Government of the Republic of Poland in exile, was the government in exile of Poland formed in the aftermath of the Invasion of Poland of September 1939, and the subsequent occupation of Poland by Germany, the Soviet Union, and the Slovak Republic, which brought to an end the Second Polish Republic.
At the end of World War II, Poland underwent major changes to the location of its international border. In 1945, after the defeat of Nazi Germany, the Oder–Neisse line became its western border, resulting in gaining the Recovered Territories from Germany. The Curzon Line became its eastern border, resulting in the loss of the Eastern Borderlands to the Soviet Union.
The Franco-Polish Alliance was the military alliance between Poland and France that was active between the early 1920s and the outbreak of the Second World War. The initial agreements were signed in February 1921 and formally took effect in 1923. During the interwar period the alliance with Poland was one of the cornerstones of French foreign policy.
The Polish Committee of National Liberation, also known as the Lublin Committee, was an executive governing authority established by the Soviet-backed communists in Poland at the later stage of World War II. It was officially proclaimed on 22 July 1944 in Chełm, installed on 26 July in Lublin and placed formally under the direction of the State National Council. The PKWN was a provisional entity functioning in opposition to the London-based Polish government-in-exile, which was recognized by the Western allies.[a] The PKWN exercised control over Polish territory retaken from Nazi Germany by the Soviet Red Army and the Polish People's Army. It was sponsored and controlled by the Soviet Union and dominated by Polish communists.
The Allies, formally referred to as the United Nations from 1942, were an international military coalition formed during World War II (1939–1945) to oppose the Axis powers. Its principal members by the end of 1941 were the "Big Four" – the United Kingdom, United States, Soviet Union, and China.
The German–Polish declaration of non-aggression, also known as the German–Polish non-aggression pact, was an agreement between Nazi Germany and the Second Polish Republic that was signed on 26 January 1934 in Berlin. Both countries pledged to resolve their problems by bilateral negotiations and to forgo armed conflict for a period of 10 years. The agreement effectively normalised relations between Poland and Germany, which had been strained by border disputes arising from the territorial settlement in the Treaty of Versailles. The declaration marked an end to an economically damaging customs war between the two countries that had taken place over the previous decade.
The military alliance between the United Kingdom and Poland was formalised by the Anglo-Polish Agreement in 1939, with subsequent addenda of 1940 and 1944, for mutual assistance in case of a military invasion from Nazi Germany, as specified in a secret protocol.
The Soviet invasion of Poland was a military conflict by the Soviet Union without a formal declaration of war. On 17 September 1939, the Soviet Union invaded Poland from the east, 16 days after Nazi Germany invaded Poland from the west. Subsequent military operations lasted for the following 20 days and ended on 6 October 1939 with the two-way division and annexation of the entire territory of the Second Polish Republic by Nazi Germany and the Soviet Union. This division is sometimes called the Fourth Partition of Poland. The Soviet invasion of Poland was indirectly indicated in the "secret protocol" of the Molotov–Ribbentrop Pact signed on 23 August 1939, which divided Poland into "spheres of influence" of the two powers. German and Soviet cooperation in the invasion of Poland has been described as co-belligerence.
The Polish Resettlement Act 1947 was the first ever mass immigration legislation of the Parliament of the United Kingdom. It offered British citizenship to over 250,000 displaced Polish troops on British soil who had fought against Nazi Germany and opposed the Soviet takeover of their homeland. The act also supplied a labour force to the demands of war-torn Britain.
During the Cold War, the Iron Curtain was a political metaphor used to describe the political and later physical boundary dividing Europe into two separate areas from the end of World War II in 1945 until the end of the Cold War in 1991. The term symbolizes the efforts by the Soviet Union (USSR) to block itself and its satellite states from open contact with the West, its allies and neutral states. On the east side of the Iron Curtain were the countries that were connected to or influenced by the Soviet Union, while on the west side were the countries that were NATO members, or connected to or influenced by the United States; or nominally neutral. Separate international economic and military alliances were developed on each side of the Iron Curtain. It later became a term for the physical barriers of fences, walls, minefields, and watchtowers that were built up along some of its sections, with the Berlin Wall being the most significant of these.
World War II Behind Closed Doors: Stalin, the Nazis and the West is a 2008 six-episode BBC/PBS documentary series on the role of Joseph Stalin and German-Soviet relations before, during, and after World War II, created by Laurence Rees and Andrew Williams.
The Oder–Neisse line is an unofficial term for the modern border between Germany and Poland. The line generally follows the Oder and Lusatian Neisse rivers, meeting the Baltic Sea in the north. A small portion of Polish territory does fall west of the line, including the cities of Szczecin and Świnoujście.
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