Answer: 1). Union
2). Cotton
3). North
4). Because, they had tons of slaves that they didn't need to pay to do all their work, and the climate was better for growing then the North.
Explanation:
<span>The major organization that set standards for the field of medicine is referred to as the American Medical Association, although it should be noted that many such organizations have existed before.</span>
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The correct answer is:
Colonists avoided the rugged, difficult Cumberland Gap.
The Cumberland Gap was long used by Native Americans, was brought to the attention of settlers in 1750 by Thomas Walker, a Virginia physician and explorer. The path was used by a team of frontiersmen led by Daniel Boone, making it accessible to pioneers who used it to journey into the western frontiers of Kentucky and Tennessee. It was very hard for colonists to go through mountains. The Indian Americans were the ones who discovered it.