Answer:
I'd go with answer A because the church at the time wasn't going to readily support science, eliminating B. Scientists wouldn't research the role of God because it's a religious claim not backed by science. Followers of the religion aren't going to quickly turn to science and half or more then half of religious followers would still deny science so it can't be the last one either.
Explanation:
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Plessy v. Ferguson ruled that "Separate but equal" public facilities were constitutional, thus permitting the practice of segregation under Jim Crow laws in the South and separate facilities for African Americans.
Therefore, the correct answer is C, that the decision allowed Southern states to legally segregate facilities and institutions.
Military supplies such as planes war ships bombs it was the largest industrial expansion in history hope this helps.