Eli Whitney invented both the cotton gin and interchangable parts, both of which contributed to manufacturing in the United States at that time.
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Answer:
President Thomas Jefferson strongly believed in the American Indian policy of <u>leaving tribes in isolation</u>
Americans could travel coast to coast, but the forced relocation of the Natives ruined many of their lives.
I am going to go ahead and say that your answer is C because regions can end for many reasons and most of which I'm certain of which are affected by the physical characteristics of the region.
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