Which statement describes a characteristic of East Africa?

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

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