Answer:
The invention on cotton led to an increased demands for slaves in the American South,reversing the economic decline that had occurred in the region during the late 18th-century. The cotton gin thus "transformed cotton as a crop and the American South into the globe's first agricultural powerhouse".
Step-by-step explanation:
While it was true that the cotton gin reduced the labor removing seeds, it did not reduce the need for slaves to grow and pick the cotton. In fact the opposite occurred. Cotton growing became so profitable for the planters that it greatly increased their demand for both land and slave labor.