At the February 1945 Yalta Conference, Stalin was allowed to keep the eastern part of Poland in exchange for respecting the independence of EasternEuropeancountries
Stalin reneged on his promise and the Soviet Red Army created the Communist Bloc in Eastern European countries
The U.S. and U.S.S.R. competed in an arms and space race and supported their respective allies in civil/proxy wars in other countries
After WWII, Germany was divided into Soviet-occupied East and American, British, and French-occupied West
During the 1948 Berlin Blockade, the Soviets cut off supplies to West Berlin, leading to the subsequent Berlin Airlift by the Americans to keep the city free
The "Iron Curtain" symbolized the ideological division between communist East and democratic capitalist West Europeans
The Berlin Wall physically divided East and West Berliners from 1961 until 1989
The Marshall Plan aimed to rehabilitate Western Europe, while the Truman Doctrine aimed to prevent Greece and Turkey from falling to communism
U.S. Presidents sought the "containment" of communism and intervened in civil wars to thwart the "domino effect"
The two Cold War alliances were NATO for democratic nations and the Warsaw Pact for communist nations
Communism is both a political and economic system that differs from democracy and capitalism
There are still a few communist governments in existence today, including China, North Korea, Vietnam, Laos, Cambodia, and Cuba
The U.S.S.R. existed as a communist country until 1991, when it broke up into 15 developing democratic and capitalist countries
Stalin's death in 1953 led to Nikita Khrushchev denouncing Stalin's actions, which gave hope to Poland and Hungary for freedom
Poland and Hungary's revolutions in 1956 were violently suppressed
The U.S. engaged in coups during the Cold War to overthrow left-leaning or anti-western leaders in various countries
In the Cuban Revolution in 1959, Fidel Castro replaced Fulgencio Batista, leading to a communist neighbor for the U.S.
During the Cuban Missile Crisis in October 1962, the world was on the verge of WWIII, but a peaceful conclusion was negotiated by Kennedy and Khrushchev