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In 1793, the first American Mill was invented. This used water power which replaced the need for people to create the energy they needed to create products. This helps us now in 2022 because when people in the 1790's used other kinds of energy it gave us ideas to do the same thing now.

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In 1798, Eli Whitney invented interchangeable parts. Interchangeable parts were made by hand by skilled workers. They were useful because before if one piece of your gun broke, you needed an entire new one. However, with Interchangeable parts, if one piece broke, you could just get another one of that part. Thanks to Eli Whitney we still use interchangeable parts and has saved us money.

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The Lowell Girls were young girls that worked in the new mills. They usually lived in boarding houses together near the mills. The Lowell Girls were a big part in the Industrial Revolution because they provided the labor for the mills.

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In the 1800's, Child Labor was used. When factories had just started they used young kids before it was illegal. They used small children a lot in textile mills, because they could squeeze around the machines to change the spindles. This is seen as cruel in 2022, but back then the children were helping support the family.

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The multiple problems in new cities caused trash and untreated sewage to seep into the roads. Then, from there the trash leaked into the water that people drank and caused a disease called cholera. Cholera killed thousands of people through multiple cities. Once the people fixed the trash from seeping into the roads Cholera finally slowed. Now in 2022 we have modified our lives which prevents people from getting killed by disease.

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In the early 1800's, cities began to emerge around factories. The older cities expanded very quickly, and new ones were made near factories. This is called urbanization. These cities started off small, but as factories became more common the cities grew larger. Now, in 2022 we have many big cities throughout New England.

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The war of 1812 caused the American industries to boost. Because of the war, the Americans couldn't get foreign goods, so America produced more goods. This caused the American economy to grow, and is still growing today!

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In 1825, Jethro Wood invented the Iron Plow. The iron plow had interchangeable parts. This may have helped John Deere become a big company because the Iron Plow came first then the steel plow by John Deere.

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After overcoming problems with the railroads Engineers worked to make them safer and faster. In the 1850s railroads were all over the nation. The most major railroad centers were New York, Chicago, and Cincinnati. The north had more tracks than the south. Thanks to railroads people in the 1850s had a great way to get around.

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In 1884, Samuel F. Morse invented the telegraph. To use it you send a code of lines, dots, and spaces to send messages kind of like texting. Thanks to the telegraph people learned more about electricity. Now, in 2022 we have computers and phones to send messages instead of using a telegraph.