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The Cold War: The 20th Century (Primary Source Readers)
The Cold War The 20th Century - Primary Source Readers Author:Wendy Conklin, M.A. The Cold War was a very different kind of war than any that had been waged in the past, and it lasted for more than 40 years. Countries did not shoot at one another, but they spied on and competed against one another. It was a war of beliefs between the United States, which believed in democracy, and the Soviet Union, which advocated communism.