D. The demand increased dramatically
The invention of the cotton gin allowed for a significant increase in the efficiency of processing cotton, which led to a dramatic increase in the demand for labor to grow and harvest cotton. The cotton gin made it much easier to separate the cotton fibers from the seeds, leading to a surge in cotton production and subsequently an increased need for labor to work in the fields.
How did the invention of the cotton gin affect the demand for labor to grow and harvest cotton?
A. The demand decreased slightly
B. The demand decreased dramatically
C. The demand increased slightly
D. The demand increased dramatically
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