Details about the number of slaves working cotton 20 years after the cotton gin.
Explanation:
In this passage, the author explains how the cotton gin changed the economy of the South. By making cotton harvesting easier, the cotton gin allowed the South to increase production significantly, which led to a need for more slaves. A way in which the author could provide support for this claim would be by providing details about the number of slaves working cotton 20 years after the cotton gin.
