Answer:
While it was true that the cotton gin reduced the labor of removing seeds, it did not reduce the need for slaves to grow and pick the cotton. In fact, the opposite occurred. Cotton growing became so profitable for the planters that it greatly increased their demand for both land and slave labor
Explanation:
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The Great Migration was such an important part of the Progressive Era because it <span>showed the shift from an agricultural based-economy into an industrial- based economy. The correct option among all the options that are given in the question is the first option or option "A". I hope the answer helps you.</span>