What invention led to rise in slaves in the south

Cotten Gin

Explanation:

With the invention of the cotton gin, cotton became the cash crop of the Deep South, stimulating increased demand for enslaved people from the Upper South to toil the land.

president thomas jefferson commissioned the expedition shortly after the louisiana purchase in 1803 to explore and to map the newly acquired territory, to find a practical route across the western half of the continent, and to establish an american presence in this territory before britain and other european powers

a

explanation: