<span>Sun Yet Sen was the leader of China's nationalist party in 1921.</span>
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Yes Vietnam become a communist & after u.s.a failed to stop the spread of communism.
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The Safavid Empire was strengthened by important Shi'a soldiers from the Ottoman army who had fled from persecution. When the Safavids came to power, Shah Ismail was proclaimed ruler at the age of 14 or 15, and by 1510 Ismail had conquered the whole of Iran.
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It was worth fighting because the young U.S needed to prove that it was a strong country to their old leaders.