Answer and Explanation: The civil war wasn't avoidable because of the disagreement and hate between the North and the South.
The leading argument against slavery during this time in the US was simply that it was immoral, and went against God's will. Another was that it violated the Constitution, and yet another was that it was unsustainable in the South.
New inventions would not have been possible without them willing to risk their money to help develop and implement their inventions.
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