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The Dred Scott decision was a provision which started that black people were not US citizens.
What Was the Dred Scott Decision.
The Dred Scott decision was a decision of the United States Supreme Court in 1857 which stated that the United States Constitution was not meant to include American citizenship to black people.
This decision had no regard to whether they were enslaved or free, and thus the rights and privileges that the Constitution confers upon American citizens could not apply to them.
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