Answer:
Eli Whitney's invention made the production of cotton more profitable, and increased the concentration of slaves in the cotton-producing Deep South. This phenomenal and sudden explosion of success of the cotton industry gave slavery a new lease on life.
Explanation:
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Answer: In the Battle of Antietam, on September 17, 1862, Lee made his first attempt at invading the North in the bloodiest single day of the war. Antietam ended with roughly 23,000 casualties and the Union claiming victory for General George McClellan.
Explanation:
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