13. Amendment to the United States Constitution abolishing and prohibiting slavery. "Neither slavery nor involuntary servitude, except as a punishment for crime whereof the party shall have been duly convicted, shall exist within the United States, or any place subject to their jurisdiction."

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1 point
15th Amendment
Black Codes
Compromise of 1877
Grandfather Clause
Jim Crow Laws
Literacy Test
Poll Tax
Thirteenth Amendment