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.

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explanation:

adopted the practice of proskynesis, a persian court custom that involved bowing down and kissing the hand of others, depending on their rank.