C. Human Reason
I took the test and made an A with this answer.
Answer:
Separate educational facilities are inherently unequal. With these words, the United States Supreme Court, in a unanimous decision on May 17, 1954, ruled that de jure school segregation was unconstitutional and paved the way for desegregation of educational institutions.
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Answer:
Prohibiting slavery in the territories.
Explanation:
According to the ruling it was decided that Congress had exceeded their authority when ratifying the Missouri Compromise, and therefore "had no power to forbid or abolish slavery in the territories west of Missouri and north of latitude 36°30" (Britannica.com).