According to the Text,what Were the Consequences for Africa of the Europeans

Multiple Choice

According to the text,what were the consequences for Africa of the Europeans' practice of slavery?

A) It helped thin out overpopulated districts of the continent.
B) It helped to rearrange traditional tribal boundaries more logically.
C) It created a condition that ensured centuries of underdevelopment.
D) It assisted in reducing the number of tribal conflicts on the continent.