Answer B
Explanation Step by Step :
The purpose of the Berlin Conference of 1884-1885 was to put some order in the chaos of the colonization of Africa. It divided the continent up into specific areas for colonization.
This is a little tricky but if i had to say, the answer would be A ^-^ The Civil War still hadn't been that long ago, so people of different races still didn't have the same rights as the whites (hence segregation)