What invention caused the slave trade to explode in the south

Cotton Gin

Explanation:

From 1790 until the Congress prohibited the importation of slaves from Africa in 1808, 80,000 Africans were shipped from Southern Africa. By 1860, about one in three Southerners was a slave. Because of the cotton gin, slaves were now employed on ever-larger plantations where labor was more regimented and unrelenting.

others, still angry about the revolution, argued against a commercial treaty with the britain promised to withdraw all of its troops from america after the in the northern frontier, however, the british refused to surrender several military posts on a stronger central government in america may have resolved these foreign.

hope this : d

hello,

your answer whould be d