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In 1790, Samuel Slater built a mill on the Blackstone River in Rhode Island. The Slater mill was the first American factory to successfully produce cotton yarn with water-powered machines.

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In 1792, a group of 24 investors had started the New York stock exchange. This stock market raised private capital to pay for new ventures.

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In 1800's children as of seven years old are forced to work in factories and farm children are forced to work on farms. Often people wager on the children to have them work for them

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In 1821, To reassure parents, the company built boarding houses, or buildings with shared bedrooms and a kitchen that served meals.

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In 1825, John deer created the steel plow. Other plows had to be pulled by an oxen but the steel plow is light and easy to lift.

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In 1825, Jethro wood created the iron plow but john deer ruined his idea by making the steel plow a lighter plow.

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In 1842 the lowell girls had a tourist visit and he was charles dickens and he was very impressed.

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In 1844 Sam morse built the telegraph in the supreme court chamber in washington. The telegraph had many business thrive.

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In 1847, Cryus McCormick opened a factory that created the mechanical reaper. The machine was horse-drawn.

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Cholera is contaminated water that raged trough cities, killing thousands of people.