In brown v. board of education, the supreme court upheld the doctrine of "separate but equal" banned segregation in hotels, theaters, and restaurants declared segregation in public schools unconstitutional ordered the integration of all public schools by 1956

The best answer among the following choices would be the third option C).

It developed as a reaction to the impact of european colonialism in africa on peoples of african descent. in the  mid-20th century, activists in africa adopted pan-africanism as a rallying cry for independence from colonial rule. some african pan-africanists sought to unite the continent as one independenthope it was useful