What did the thirteenth amendment to the constitution accomplish?
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a. it made all african americans citizens.
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b. it gave african americans the right to vote.
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c. it ended slavery in the united states.
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d. it gave african americans the right to own land.
submit

C

Explanation:

The Thirteenth Amendment (Amendment XIII) to the United States Constitution abolished slavery and involuntary servitude, except as punishment for a crime.

C. It ended slavery in the United states.

explanation:

the addition to geographic boundaries that might have  kept the people of the huang river civilization from traveling to far distance region is that they had learned about the other river valley civilizations but feared contact would bring invasion.

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the answer is false.