Answer:
Kilwa prospered as a free city-state from the twelfth to fifteenth century CE generally on account of the incredible amount of gold coming from the realm of Great Zimbabwe to Kilwa's southern station of Sofala.
Step-by-step explanation:
Kilwa prospered as a free city-state from the twelfth to fifteenth century CE generally on account of the incredible amount of gold coming from the realm of Great Zimbabwe to Kilwa's southern station of Sofala. In its prime, Kilwa was one of the chief ports of exchange on the Indian Ocean, exchanging gold, ivory, iron, and subjugated individuals from inside Africa including the Mwene Mutabe social orders south of the Zambezi River. Imported products included material and adornments from India, and porcelain and glass dabs from China