Final answer:
The United States Supreme Court ruled that the U.S. Constitution did not apply to Black people in the U.S. since they were not citizens.
Step-by-step explanation:
In the Dred Scott case, the United States Supreme Court ruled that the U.S. Constitution did not apply to Black people in the U.S. since they were not citizens. Dred Scott, an enslaved African American, had sued for his freedom arguing that he should be considered a citizen. However, the Court ruled that Scott did not have the right to sue in federal court because he was not a citizen. This decision further solidified the institution of slavery in the United States and contributed to the tensions that led to the American Civil War.
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