Which statement best describes evidence of a multicultural mix in east africa?

Choices:

Because of what he learned during his pilgrimage to Mecca, Mansa Musa was able to build a center of islamic scholarship.

The traders of Ghana brought back with them slaves from the mediterranean who taught the ghana rulers about christianity

Clans were made up of lineages that were descendants of multiple ancestors from different regions of Africa

Swahili became a language made up of words spoken by traders along the coast of the indian ocean

Swahili became a language made up of words spoken by traders along the coast of the Indian Ocean, best describes evidence of a multicultural mix in East Africa.