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The February Revolution overthrew the Tsarist autocracy and the October Revolution, also know as Bolshevik Revolution replaced the idea of election-based system with communism.
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"The Three Heads of Government" established the post-war order, peace treaties, and effects of World War 2 Nazi-Germany.
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American military bombed Hiroshima and Nagasaki, two Japanese cities on August 6th and 8th. These bombed ended this World War 2, declaring America the winner.
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Iron Curtain is a political and military boundary that divides the Soviet Union from non-Soviet area after World War 2.
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President Truman's American Foreign Policy to stop the expansion of communism and to provide support to neighboring countries that are threatened by it.
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American attempt, made by U.S. Secretary of State George Marshall to aid Western Europe in economic assistance after the WW2.
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House of Un-American Activities Committee would target and arrest film actors due to the fear of communist influence on motion pictures.
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West Berlin was in the Soviet Union territory but under control of the U.K. and U.S. so military airforce would fly in and out giving aid to Berlin citizens.
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NATO, North Atlantic Treaty Organization was to form an alliance between the United States and Northern Europe to defend each other against communism.
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Soviet Union successfully passed its first nuclear bomb, which put fear in America's safety since America defeated Russia in WW2.
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After WW2, North Korea was communist and South Korea was American-occupied which lead to conflict between the two sides when North Korea invaded the South.
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Accusations between United States Army and United States Senator, Joseph McCarthy that there was suspected communism and security risks in the army.
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Nikita Khruschev takes over the Soviet Union after Stalin died and went through the process of "de-stalinization'' and created peace with the West Capitalist.
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A military doctrine and nuclear strategy which gives a state permission to retaliate if under attack.
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Formally known as "Treaty of Friendship", was a defense treaty between the Soviet Union and West Europe and created balance of power.
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The war was about the conflict between North Communist Vietnam and South Vietnam, allies with the United States. The war ended with North Vietnam surrendering and signing a peace treaty.
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Revolt, starting in Budapest, became nationwide when people began protesting the communist government. However, Soviet power was stronger than the revolt and communism government kept its rule.
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United States U-2 spy plane was shot down over Soviet Union airspace and was charged with espionage while under President Eisenhower's presidency.
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United States government attempted to invade Cuba and overthrow the communist government but failed.
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A wall bordering East and West Germany apart.
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U.S. U-2 plane saw Soviet Union missile base in Cuba, President Kennedy put up a naval block demanding Russia to remove their weapons. U.S. and Soviet Union agreed that Soviet Union will remove their weapons if United States won't invade Cuba.
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Nixon attempt to improve relations between the United States and Soviet Union after the Cold War.
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President Reagan pledged his support for anti-communists revolutions in Africa, Asia, Latin America.
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Reagan addressed that West Germany and East Germany should not let the wall be a barrier to improve the two sides relationship, .
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The fall of the Berlin Wall, broken down by citizens under Western pressure, symbolizes that East Communist Germany now has access to freedom, prosperity, and an economy boost.