. How did Eli Whitney’s invention cause tens of thousands of acres in the American south to be converted to cotton production?

eli whitney's invention, the cotton gin was able to produce cottons efficientily and quickly compared to human labor. However, to be able to produce a lot of cottons, the slaves were used to work in factories to produce huge amount of cottons to be exported, meaning that it caused tens of thousands of acres in the southern states to be converted for cotton production due to their agricultural lands

Explanation:

the answer is option a.

roosevelt essentially took the opposite approach as hoover in taking on the great depression. herbert hoover thought that america and its economy could naturally recover from the depression in due course, so he adamantly restrained the federal government from intervening on behalf of the people affected. on the other hand, roosevelt dramatically increased employment by expanding the federal government and establishing agencies that would aid in relieving some of the country's worst problems.