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One of the first international crisis of the cold war
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Intergovernmental military alliance between several North American and European Countries
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Collective defence treaty signed in warsaw among soviet union & seven soviet satellite states of central & eastern Europe
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Was the first artificial Earth satellite
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The communist East German authorities built the wall that totally that encircled West Berlin
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13 day confirmation between the United States and soviet union
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President Kennedy's challenge to put a man on the moon
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Berlin walls purpose to keep Western "fascists" from entering East Germany and undermining the socialist state
