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Interchangeable parts were made to save time and money. They helped so that the gunsmiths didn't have to build guns by scratch and so they could use identical parts to fix any manufacturing issues.

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In the 1800's children would start working as young as 7. Now people find this a cruel however back then people found no difference in children working in factories instead of farms. The wage they made was also commonly needed to help support their families

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The iron plow was made by Jethro wood made the iron plow. This was made from iron and wood, and they had to be pulled by either an oxon or a horse.

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The cast iron stove was a small enough stove for people to keep in their homes and use for everyday life. This was the start of how northern factories stated to benefit the life of ordinary people.

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After Francis cabot Lowell's death, his partners decided to carry on with hus project however make it bigger. They built a whole factory and named it after him.

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In order to have people working in the lowell factories they hired young girls from local farms to work. The girls usually worked for a few years than got sent off to get married. They were a big part of the economic contribution and provided labor during the industrial revolution. most of the money they made they sent home to their families.

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Sense parents were hesitant to send their children off the workers built boarding houses which included, rooms, and meals. The companies also made rules to protect these young women. Although the factory work could be difficult, and dangerous many women enjoyed the economic freedom they received from working in the mills.

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The telegraph was a devise that was able to send electrical messages through a wire. This invention was only possible with the invention of electricity.

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Urbanization is the change of a population when it goes from a farm to a city.

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Sense they didn't have sewers and people would through stuff into the streets, New york city became disgusting. Streets would turn into mud whenever it rained and trash would get carried into the water resulting in polluted water.