B. NAACP
He opposed the idea of white biological superiority. Also he was a Co-Founder.
Answer:
B. NAACP.
Explanation:
W.E.B. Du Bois was an American sociologist who found the National Association for the Advancement of Colored People.
The NAACP was a civil right organization that looks to secure justice for African Americans during the first years of the 20th century.
I hope this answer helps you.
