What was the significance of the decision in Dred Scott v. Sandford (1857)?

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The Dred Scott decision declared that slaves were not citizens and therefore could not sue for their freedom, and that Congress could not prohibit slavery in any territory. The ruling also stated that the Missouri Compromise was unconstitutional because it excluded slavery from some territories. Most significantly, the court declared that slaves were simply private property belonging to their owners, no different from land or tools. This decision provided legal justification for the expansion of slavery into new territories and reinforced the concept of black inferiority under the law.

What Was the Significance of the Decision in Dred Scott