Answer :
The best description is that the cotton gin made growing cotton very profitable and increased the demand for slave labor.
What was the cotton gin?
This was a machine that was used to revolutionize the planting of cotton in the South of the United States.
The invention helped the owners by giving them more profits and also making them need more labor from the slaves.
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Final answer:
The cotton gin invented by Eli Whitney made the processing of short staple cotton efficient, boosting profitability and leading to a rise in demand for slave labor as cotton production dominated the market.
Explanation:
The invention of the cotton gin by Eli Whitney in 1793 significantly changed cotton farming. Before the cotton gin, short staple cotton, which had shorter fibers and seeds that were difficult to remove, was not very profitable unless produced in large quantities. The cotton gin facilitated the quick and efficient removal of seeds from cotton, greatly accelerating production and making it possible for inland farmers to profit from short staple cotton.