3. What impact did cotton ultimately have on American economy?

However, following the War of 1812, a huge increase in production resulted in the so-called cotton boom, and by midcentury, cotton became the key cash crop (a crop grown to sell rather than for the farmer's sole use) of the southern economy and the most important American commodity.

Explanation:

Cotton transformed the United States, making fertile land in the Deep South, from Georgia to Texas, extraordinarily valuable. The power of cotton on the world market may have brought wealth to the South. Cotton became the first mass consumer commodity.

Explanation:

Btw the other answer was copied off the internet.

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the correct answer is:

b) a rich merchant.

letter a is the answer