Look at the first three sites here for the information you need.
http://www.google.com/search?hl=en&source=hp&ie=ISO-8859-1&q=how+did+scarcity+of+labor+in+the+americans+encourage+the+atlantic+slave+trade&btnG=Google+Search
how did scarcity of labor in the americans encourage the atlantic slave trade?
1 answer