One of the Factors That Made African Slavery Different from the Varieties

One of the factors that made African slavery different from the varieties practiced elsewhere was that

A) African slavery was much more brutal than any other form of slavery.
B) African slavery began much later than slavery in the rest of the world.
C) African slavery was practiced almost entirely for religious rather than financial reasons.
D) African law did not recognize private property,and thus slaves served as a measure of personal wealth.
E) African slavery didn't last very long.