Answer: The United States and 11 other Western nations founded the North Atlantic Treaty Organization in 1949 in response to the threat of potential Communist expansion. (\sNATO). The Warsaw Pact, a rival organization, was founded in 1955 by the Soviet Union and its communist allies in Eastern Europe.
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revisionists who began to appear in the late 1800s
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The domino theory is basically ,if one new country went communist in Asia then it would begin a chain reaction that would cause several more Southeast Asian countries becoming communist. it was the reason the united states went into the Vietnam war. since everyone was becoming a communist no laws were really set so they went into war. As the Vietnam War escalated, America's leaders and soldiers found themselves in a quagmire with no victory in sight. Eventually the war weakened the American economy, divided the people, and eroded the nation's morale.
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