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Roosevelt died unexpectedly. By him passing away, Vice President Truman became the new president.
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Created by U.S. Secretary of State, George C. Marshall. The goal was for nations to design recovery programs and would recieve financial aid from the United States.
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Truman established a federal employee loyalty program which checked the backgrounds of all new and existing federal employees. This led to the House Un-American Activites Committee. The HUAC began investigating Hollywood personalities, who the committee claimed, had Communist leanings. Hollywood Ten refured to answer any of HUAC's questions and all were imprisoned because of this.
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Stalin banned all shipments to West Berlin through Easy Germany. This created a blockade which threatened to cut off supplies to the city.
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The North Atlantic Treaty Organization, also known as "NATO", was formed in April of 1949. When nations joined NATO they pledge to support one another against attack. This was also referred to as selective security.
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Truman announced that the Soviet Union had successfully tested an atomic bomb. The United States began developing even more powerful hydrogen bombs in response to this.
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About 75,000 soliders from the North Korean Army went across the 38th parallel. This invasion was the first military action of the Cold War.
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McCarran Walter Act reestablished the immigration quota system from 1924. The act discriminated against potential immigrants from Asia and Southern and Central Europe.
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Julius and Ethel Rosenberg were famous spies. The Soviet spies in the United States were sharing American secrets with foreign Communists.
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The Warsaw Pact was established. It was a collective defense treaty among Soviet Union and Seven Soviet satellite states.
