I think that it is C. White Americans cuz the US hadn't fully come to terms of different ethnicities be given the same respect.
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B this is an obvious answer
Answer:
Low standards of education for black people's children.
Explanation:
There will be large differences between schools if the Supreme Court had not disprove “separate but equal” in the Brown decision because the schools where black children gets education is not of high standard as compared to the schools where white people's children get education. There are more chances for the white children in the field as compared to black children due to unequal standards of education. There will be high racial discriminations in the society among black and white people.
The answer would be D: Russia signs a treaty with the Central Powers ending its participation in World War I.