How did the Invention of the cotton gin affect slave labor in the United States?

At the time there were a lot of advancements being made in the textile industry; therefore increased the demand for slave labour. What the cotton gin did was it made picking cotton a much quicker process, and this led slave-owners. So the cotton INCREASED a demand for slave labour because it make cotton-picking much more profitable. So the answer for your question is C :) I hope this helped you xx