What was one significant effect of the Indian Ocean trade shown on the east side of the map?

(A) The emigration of large numbers of Africans to southern Asia (B) The development of the Swahili language (C) The conversion of most of the coastal parts of eastern Africa to Christianity (D) The importation of gold from ArabiaExplanation: As Muslim traders came from the Middle East and southern Asia to the east coast of Africa, they brought with them the Arabic language. Swahili is, in fact, a hybrid of traditional African Bantu languages and Arabic, making (B) the best answer.