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The Soviet Union invade Afghanistan because they thought that Afghanistan was having discussions with the United States
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President Jimmy Carter made an announcement that if the Soviet Union did not remove their war troops from Afghanistan by February 20, 1980 then the United States would not attend the Olympic games in Moscow that summer
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President Jimmy Carter made a speech saying that sadly, because of the Soviet's actions, the United States would not attend the Olympics that summer
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The Moscow summer Olympic games started
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The Moscow summer Olympic games are finally finished