Trace the growth of major sub Saharan kingdoms and empires

The growth of Sub-Saharan African Kingdoms was assisted by Agriculture and Trade.  Increase in trade routes led to increase in transportation that played a major in increasing the trade activities that led to flourishing of these kingdoms, the major exports included slaves, gold, copper and animal products such as ivory, pelts, feathers and tortoise shells.

Explanation:

opinion because one person might not like silk

answer; (c) slaves brought to the americans from africa;