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Samuel Slater built the first successful factory in the U.S. It was located in Pawtucket, Rhode Island. It is powered by water. Other manufacturers began using his ideas.

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Seven year old kids would work in factories. small children would help in textile mills, because they're so small they would be able to squeeze around large machines to change spindles.

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Before it was called Lowell Massachusetts, it was known as Waltham, Massachusetts. It was renamed after Francis Cabot Lowell's death. It was a village of five farm families in 1821. In 1836 it grew to more than 10,000 people. It is described as a model community.

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The inventor of the telegraph is Samuel F. B. Morse. Samuel F. B. Morse also invented Morse code which is used by the telegraph. it used a code of dots (.) and dashes (-) to send messages.

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The mechanical reaper uses horses to harvest wheat and grains. The mechanical reaper could do the work of 5 people using tools.

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Over population was a big problem in the cities. People threw trash in the streets seeping into wells, spreading cholera and killing thousands of people. Coal was used for heating power which polluted the air from smoke and caused health problems.