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Formed after the Second World War by 51 countries committed to maintaining international peace and security.
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the United States would provide political, military, and economic assistance to all democratic nations under threat from external or internal authoritarian forces.
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Hollywood Ten, in U.S. history, 10 motion-picture producers, directors, and screenwriters who appeared before the House Un-American Activities Committee in October 1947, refused to answer questions regarding their possible communist affiliations, and, after spending time in prison for contempt of Congress
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the United States provide economic assistance to restore the economic infrastructure of postwar Europe
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ensured that the security of its European member countries was inseparably linked to that of its North American member countries. The Organization also provides a unique forum for dialogue and cooperation across the Atlantic
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when the North Korean Communist army crossed the 38th Parallel and invaded non-Communist South Korea. U.S aided south korea
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20th-century competition between two Cold War rivals, the United States and the Soviet Union, to achieve superior spaceflight capability.
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failed military landing operation on the southwestern coast of Cuba in 1961 by Cuban exiles, covertly financed and directed by the United States. It was aimed at overthrowing Fidel Castro's communist government.
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East German soldiers laid down more than 30 miles of barbed wire barrier through the heart of Berlin. East Berlin citizens were forbidden to pass into West Berlin, and the number of checkpoints in which Westerners could cross the border was drastically reduced.
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3,500 United States Marines came ashore at Da Nang as the first wave of U.S. combat troops into South Vietnam, adding to the 25,000 U.S. military advisers already in place.
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Soviet Union invaded Afghanistan ending their treaty
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The Berlin Wall stood until November 9, 1989, when the head of the East German Communist Party announced that citizens of the GDR could cross the border whenever they pleased. That night, ecstatic crowds swarmed the wall.