The word "SINCE" implies that something is having an effect on something so since is the answer.
Answer:
C) they showed that Hughes just wanted African Americans to be full members of the United States
Explanation:
<em>This is the right answer to the question. Hughes has always promoted that both the Whites and the African-Americans belong to one country and their should be no segregation whatsoever.</em>
<em>He expressed his view through his poetry.</em>
I believe the answer is C but I havent seen this stuff in a while.