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The prospect of the further communist expansion prompted the u.s and the 11 other western nations to form the North atlantic treaty organization
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The Warsaw Pact also known as friendship cooperation and mutual assistance. Collective defence treaty signed in warsaw poland among soviet union
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1st satellite the soviet union launched into low earth orbit
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The fall of the wall, so the citizens of the GDR were free to cross the country borders
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Construction of the caused a short-term crisis in the u.s -soviet block came to symbolize the cold war
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13 day confrontation between U.S and soviet union
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Stepping off the lunar landing module eagle Armstrong became the first human to walk on the moon