A muckraker is a journalist who devotes their work to uncovering topics that might be overlooked or ignored by the powers that be. That said, a muckraker is D a writer who exposes unsafe working conditions.
Answer:
B.
Explanation:
for one the meaning of pan-Africanism is the principle or advocacy of the political union of all the indigenous inhabitants of Africa
also some text evidence is "Du Bois was one of the founders of the National Association for the Advancement of Colored People in 1909" there for d is wrong c isnt a really good answer its more basic so no an a is just wrong
they set up outside of major cites which emerged a new economical opportunity.
-Agarvated