Explain the rulings of the Dred Scott decision by the United States Supreme Court.

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:

. political or economical policy that isolates a country from participating in international relationships. it has been suggested that the united states participates in isolationism because of its lack of involvement in particular wars or alliances.

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