Based on this map of the early Islamic empires, in which economic activity would they have been MOST likely to participate?

Commerce

Explanation:

The early Islamic empires involve in trade and commerce as their economic activity. Large trading networks spread in places like Africa, Europe, and China. Merchants dealt with trading goods including gold, slaves, textiles, spices, sugar, salt, and horses. Trade conducted through sea and land (Silk Road). Major trade cities were Constantinople,  Cairo, Mecca, Medina,  Baghdad, Morocco, and Cordoba.

the answer is: the sesquicentennial of the american civil war is an occasion to consider the legacy of that great conflict. this legacy is our inheritance, and despite many indelible features, we continue to negotiate the resolution of that conflict. the civil war was fought over slavery, but not always on behalf of slaves

the answer to number 5 is fort sumter