Answer:In the late 1870's, the southern Republican party vanished with the end of reconstruction, and southern state governments effectively nullified both the the 14th Amendment (passed in 1868, it guaranteed citizenship and all it's privileges to African Americans)and the 15th Amendment,stripping blacks in the south.
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They created the office of the Plebeian Tribune.
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in 1994, the united states, Mexico and Canada created the largest free trade region in the world with the north american free trade agreement (NAFTA).
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