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  The U.S. and the UK started to deliver food and supplies to Berlin by airplane.
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  The further expansion of communism prompted the creation of the North Atlantic Treaty Organization.
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  The pact was a mutual defense pact that put the Soviets in command of there allies armies.
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  The Soviet Union launched the first artificial satellite named Sputnik.
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  The Soviet Union launched the first artificial satellite named Sputnik.
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  The wall prevented people to flee from East Berlin to West Berlin.
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  The crisis was a direct and dangerous confrontation between the two superpowers.
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  Apollo 11 lands on the moon and this means the U.S. was the first to put people on the moon.
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  A spokesman of East Berlin announced a change with West Berlin and with the help both sides, the wall came down.