Dred Scott Decision: The Case and Its Impact | ThoughtCo.

By Robert Longley, ThoughtCo. Dred Scott v. Sandford, decided by the U.S. Supreme Court on March 6, 1857, declared that black people, whether free or slave, could not be American citizens and were thus constitutionally unable to sue for citizenship in the federal courts. The Court’s majority opinion also declared that the 1820 Missouri Compromise was […]

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