Which of these resulted from the invention of the cotton gin?

O

O

A. A decrease in the demand of cotton

B. A decrease in plantations

O

c. An increase in the price of cotton

O

D. An increase in slavery

D. An increase in slavery.

Explanation:

The invention of the cotton gin greatly increased the productivity of cotton harvesting by slaves. This resulted in dramatically higher profits for planters, which in turn led to a seemingly insatiable increase in the demand for more slaves.