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first major internal crisis of the cold war
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unites states and 11 other nations formed the north atlantic treat organization
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the korean war was a war between north korea and south korea
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treaty of friendship
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conflict that occured in vietnam
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first artificial satellite launched by soviet union
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The first human-made object to reach the surface of the Moon was the Soviet Union's Luna 2 mission
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the berlin wall was built during the years of the cold war
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political and military stand off between U.S. and soviet union
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east berlin demolished the wall
