From "The Conservation of Races" by W.E.B. DuBois

From "The Conservation of Races" by W.E.B. DuBois
DuBois is concerned with: 1) the meaning of race in American society, and, 2) identifying how blacks can better succeed in American society. He advocates an approach that emphasizes self-reliance and the formation of separate race-based forms of social organization and institutions.
-Dubois believes that important contributions to civilization have been made by:

A) Whites
B) Blacks
C) Asians
D) All of the above.