I would say the benefits would be for example the right to vote in elections, the right to avail themselves of economic opportunities, the right to a higher education and the right to travel freely around the US and the right to form communities of similar ethnic and historical background such as the Latinamericans in the San Fernando Valley.,
Answer:
Question 1:
B.The Civil War
Question 2:
I'm not quite sure and don't want to give you an incorrect answer,sorry
Question 3:
A. A government agency aimed at helping former slaves