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The Slater Mills were built by Samuel Slater in 1793 in Rhode Island.  The Slater Mills were the first textile mills that were successful in the United States. Samuel's idea was so good that his factory became a huge success and other manufactures began using his ideas.

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The Interchangeable Parts were built by Eli Whitney in 1798 in Washington DC. The idea of the interchangeable parts spread rapidly. It spread so quickly that other inventors started producing other produces for the interchangeable parts.

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There are many problems in cities but one major problems is that the cities were so over crowed in the 1800's. For example 322,000 people lived in cities. Many people left farms for cities when getting attracted by job opportunities in factories.

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In the 1800's child labor was very common. They had boys and girls at the age of 7 working in textile mills or in other factories or farms. The kids that worked in the mills had long hours of 12 hours a day and had to work 6 days a week. A lot of the children's wages went to helping their families.

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After Francis Cabot Lowell's death his partners built a factory town and named it after him. It was a success that even there was a village of 5 farm families. In 1836 there were more then 10,000 people that visited  the factory town.

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The Iron Plow were built by Jethro Wood in 1825. The Iron Plow was manufactured with replaceable parts. When the Iron Plow was manufactured it had to be pulled around by a ox.

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The Lightweight Steel Plow were built by John Deere. The Lightweight Steel Plow was built to improve on what Jethro Wood made which was the Iron Plow. The Lightweight Steel Plow was also carried around by ox.

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The Lowell Girls had to work for the new mills on a nearby farm in 1842. The Lowell Girls work in the farm for a couple years before leaving to having to go get married. The girls got a economic condition to America by doing labor during the Industrial Revolution.

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The Mechanical Reapers were built by Cyrus McCormick in 1847. The Mechanical Reapers were designed has a horse - drawn machine to cut and gather wheat or other grains. The reaper could even do the work of 5 people using hand tools. Other machine like this were designed afterword like the mechanical drill.

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The Threshing Machine was built beat grain from the husk which is a house - drawn hay rake. The machine helped farmers get more grain with less hands. Because of machines like this thousand of farmers left the countryside to start their own farm.