Why did Dred Scott think he was a free man and no longer a slave after he had lived in the free state of Illinois.

The Dred Scott decision was the U.S. Supreme Court's ruling on March 6, 1857, that having lived in a free state and territory did not entitle an enslaved person, Dred Scott, to his freedom. In essence, the decision argued that, as someone's property, Scott was not a citizen and could not sue in a federal court.

Explanation:

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