How did the invention of the cotton gin affect slave labor in the united states?

The invention of the cotton gin affected slave labor due to the fact that it led to an increased demand for slave labor.

Due to this invention, the growing of cotton had become really profitable for the plantation owners.

As a result, they had more need for land also slave labor. Because the lands have become bigger, the slaves now had to work more to plant, cultivate and harvest the plant.

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