Which statement describes a characteristic of East Africa?

(1 point)

A Its mountainous region made East Africa difficult to protect itself from invaders.

B After Christianity came to the region, Islam was no longer practiced after the 1000s.

C Through trade, East Africa became a multicultural mix of diverse cultures.

D East Africans produced cotton and grain that they traded for slaves from the Middle East.

C Through trade, East Africa became a multicultural mix of diverse cultures.