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end of civil war 13th amendment abolishes slavery
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15th amendment gives minority males right to vote.
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many southern states pass laws to take voting rights from african americans
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supreme court rules that llitecary tests are unconstitutional
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supreme court declares granfater clause unconstitutional . These laws required voters to prove their grandfater could vote. Must africans grand father were slaves
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19th amendment grants rights to vote to wemen.
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this event leads to poll tax being unconstituinal
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