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The spinning Jenny Was invented by James Hargraves and it was used to make thread. This changed society by taking one person in house making thread to many people in a factory making much more thread.

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The first american mill was made by Moses Brown but the machinery was always breaking down which led the mill to be unsuccessful at first. This changed society because after people saw the eventual success of Moses's mill they started using his ideas and mills became more common.

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Interchangeable parts were created by Eli Whitney to solve the problem that because each musket was made by hand, they were all slightly different and when part of a musket broke they would have to make a new part by hand to fit that specific musket. This changed society because now it would take less time to create replacement parts.

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Increased Population in Urban Areas 1800

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Increased Population in Urban Areas 1800

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In 1800 the amount of people that lived in urban areas was only 6% of the us population. By 1850 that amount increased even more to 15%. This changed society because the amount of people living on farms and in rural areas decreased slowly.

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The iron plow was made by Jethro Wood to speed up the plowing process. The plow also had interchangeable parts. This changed society by leading the way for others to invent even better plows like John deere.

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Lowell girls were young women who came from farms and went to work at the Lowell mill. This changed society because the girls worked in a mill for twelve hours for pay instead of at a farm.

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The Lowell mill made by Francis Cabot Lowell was the first mill to combine weaving thread and making fabric in one mill. This changed technology to show that this ambitious project is capable of being successful.

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The boarding houses were created to assure the parents of the young Lowell girls that their kids would be safe. The buildings included shared bedrooms and a kitchen that served meals. This changed society by making it more likely for parents to send there daughters to the mills.

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Telegraphs were invented by Samuel F. B. Moore and they sent an electrical signal through a wire. The discovery helped make technology become more advanced by leading the way for more discoveries about electricity.

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The mechanical reaper was made by Cyrus McCormick in chicago. The reaper was pulled by a horse that cut and gathered wheat. This changed society because now it would be a lot quicker to gather grain.