How did African slaves contribute to the development of the Americans

Recruited as an inexpensive source of labor, enslaved Africans in the United States also became important economic and political capital in the American political economy. Enslaved Africans were legally a form of property—a commodity.

Explanation:

herodotus taught this. herodotus was an ancient greek historian who was born in halicarnassus in the persian empire. he is known for having written the book the histories, a detailed record of his "inquiry" on the origins of the greco-persian wars.

john maynrd keynes developed new economic respose to the                           ( b. great depression if the 1930's)