The American Civil War was fought in the United States from 1861 to 1865. <span>The American Revolution was a colonial revolt that took place between 1765 and 1783. The American Patriots in the Thirteen Colonies won independence from Great Britain, becoming the United States of America.</span>
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A. Cotton gin
The South was based on agriculture, which means lots of cotton was produced. The cotton gin is a machine which made this much easier.