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  from 1775 to 1783 before Britain gave the new nation complete independence.
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  When the European came to USA they took land and fought the people who lived there.
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  The indepence day was 4 july 1776.
4 july is USA's national day. - 
  
  its role is to protect the basic human rights. It was written by a group of men called the founding Fathers .
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  Freed slaves were intended to have the same rights as other free men, but the southern states made it difficult for them to vote.