<span>Automobiles were luxury items owned by a few until the idea of interchangeable parts came along which helped with the formation of an assembly line. This made making cars faster, which means there were more of them and were easier for less rich people to get.
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45 people have been the president
If I remember it correctly, D. the cotton gin led to more slavery as one of the surge in production required more slaves to get the cotton.
He got killed thats what started the war
