Which statement describes a characteristic of East Africa?

Question

1. Its mountainous region made East Africa difficult to protect itself from invaders.
2. After Christianity came to the region, Islam was no longer practiced after the 1000s.
3. Through trade, East Africa became a multicultural mix of diverse cultures.
4. East Africans produced cotton and grain that they traded for slaves from the Middle East.

Answer 1

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