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In 1792 a group of 24 investors had started the New York Stock Exchange. The stock market raised private capital to pay for new ventures.

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Slater mills was built by Samuel Slater it became the first successful textile mill in the United states that was powered by water

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Interchangeable parts are guns made by machines manufacturing each part all machine made parts would be alike this would save a lot of time Interchangeable parts was made by Eli Whitney

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Boys and girls as young as 7 worked in factories they were useful in textile mills since they could fit around the large machines to change spindles

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Jethro Wood invented the iron plow in 1825 which also have replaceable parts.

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Philo Stewart developed the cast iron stove small enough for use in a kitchen Philo's factory building wood burning stove was successful. The cast iron stove was one sign of the way northern factories were changing the lives of people

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Samuel F. B. Morse invented the telegraph in 1844 the telegraph was a device that sent electrical signals along a wire.w

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In 1847 Cyrus McCormick opened a factory in Chicago that produced mechanical reapers the reaper was a horse drawn machine that cuts and gathers wheat and other grains.

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Pollution was a great problem for growing cities dirt and gravel streets turned into mud holes when it was raining the cities also had no sewers and the people who live there threw garbage into the streets. Untreated sewage and garbage often seeped into wells or flowed into streams and rivers polluting water. The contaminated water causes diseases like cholera killing thousands of people'

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Slavery provided the raw material for industrial change and growth. The growth of the Atlantic economy was an integral part of the growth of exports like manufactured cotton cloth was exported to Africa