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USSR had to cut off access. So allies had to surrender or supply by air.
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Alliances between USA and European countries
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Military alliances between USSR and several eastern European countries.
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The USSR launched the world's first successful artificial satellite
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was built to separate west Berlin, Germany, East Germany
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USSR tried to defend Cuba with missiles, the U.S. threatened that with war.
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The first time for a man to land on the moon and walk on it (USA)
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The wall was built to keep capitalism out and people in.
