Those who wanted to invest heavily in plantation farming had to settle in areas that were arable, fertile and had conducive environment for agriculture. The majority of such lands was in the south and thus many farmers settled in the southern regions, unlike the northern region which was infertile, and only conducive for industries.
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Answer:
In order to prevent the conquest of an independent nation by communism.
Yes, do you have an attachment of it?
D) the great plains is the answer I believe to be correct. I feel the great plains needed this help.