Answer:
6 years
1939-1945
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<span> Big time cause it ultimately put up a claim that Slavery was technically legal in the whole Nation even if a State had an Anti-Slavery law because it was said that if a Slave fled to a Free State then he was automatically Free</span>
There were several causes that lead to the Cold War. The most important ideological conflict was that the Soviets believed in Communism and rest of the worl including United States of America disliked Communism. Soviets were against capitalism and the Americans were in favor of capitalism. The Soviets were also afraid of the nuclear bombs that United States possessed during that time and it was a grave security concern for the Soviets.
Harry S. Truman <em>signed the executive order 9981, which established equality of treatment in the U.S. armed forces regardless or race or religion.</em>