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During the administration of United States President John F. Kennedy, the Cold War reached its most dangerous state, and the United States and the Union of Soviet Socialist Republics (USSR) came to the edge of nuclear war in what was known as the Cuban Missile Cri ....

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.... President Truman asked that the United States would aid any country that asked for help in resisting communism. The Truman Doctrine became known as the basis for containment, the policy to keep communism from spreading to other countries. After the Truman Doctrine, George Catlett Marshall, Secretary of State, proposed the Marshall Plan, the European Recovery Program through which the United States provided aid to Western Europe after World War 2, in June 1947. The Marshall Plan was offered to all European countries, but Stalin would not let the countries his military was occupying take part. In April 1949, the North Atlantic Treaty Organization ( ....