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| He though that if factors made parts, it would all be the same, and would be much more faster to get a new one. | |
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| The idea was called interchangeable parts. It would save a LOT of money. | |
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| The government bought lots of guns. So Samuel showed them his idea. | |
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| First they laughed at him, but he shoed them what a great idea it was. Soon interchaneable parts were being used to for many things. Small shops quickly grew into factories. | |
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| The industrial revolution changed life in America. Ppl still farmed there but most of them went to cities to find jobs and work in factories. | |
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