In the Fifteenth Century, Lower Guinea and Upper Guinea Differed

In the fifteenth century, Lower Guinea and Upper Guinea differed in which of the following respects?

A) The governments of Lower Guinea were democratic; those of Upper Guinea were autocratic.
B) Women were responsible for the cultivation of rice in Lower Guinea but were the primary local traders in Upper Guinea.
C) The peoples of Lower Guinea continued to practice traditional African religions; those of Upper Guinea were heavily influenced by the Islamic religion.
D) Women were denied political power in Lower Guinea but held powerful political and religious positions in Upper Guinea.