. 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:

they gained popular support by speaking out against communists

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