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investigate alleged disloyalty and subversive activities on the part of private citizens, public employees, and those organizations suspected of having Communist ties.
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the practice of making accusations of disloyalty, subversion, or treason without proper regard for evidence
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international relations policy set forth by the U.S. President Harry Truman in a speech ..that the U.S. would support Greece and Turkey with economic and military aid to prevent them from falling into the Soviet sphere.
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an Economic Recovery Act was signed
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an intergovernmental military alliance based on the North Atlantic Treaty
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a war between the Republic of Korea (South Korea), supported by the United Nations, and the Democratic People's Republic of Korea (North Korea), at one time supported by China and the Soviet Union.
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the competition between the Soviet Union (USSR) and the United States (US), for supremacy in spaceflight capability
