Which factor influenced the growth of Christianity in East Africa?

Mansa Musa's pilgrimage to Mecca

Trade with Greeks and Romand

Invasion of Mali's Christian military

Caravans of Christians traveling through the trans Sahara trade network

Caravans of Christians traveling through the trans-Saharan trade network

Are you sure

I apologize for the error in my response. The correct answer is trade with Greeks and Romans.