Answer:
The discrimination towards blacks. Laws had not all been fair to blacks.
All these caused civil rights revolution except things not here.
Explanation:
The civil rights movement was a struggle for justice and equality for Africans.
The American civil rights movement started in the mid-1950s. A major catalyst in the push for civil rights was in December 1955, when NAACP activist Rosa Parks refused to give up her seat on a public bus to a white man.
tbh i think its D because u can eliminate B an C An A
This would be Mansa Musa, the tenth mansa or "sultan" of the Mali Empire. Mansa Musa is considered one of, if not the, richest person in history.