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Interchangeable parts
Interchangeable parts were made in 1798 by Eli Whitney. These were used to assemble muskets in the early 19th century.

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Iron plow
The iron plow was built in 1824 by John Deere. This new type of machinery was very helpful for cultivating crops more efficiently

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Cast Iron Stove
The cast Iron Stove was made in 1834 by Philo Stewart. This stove made it easier to cook things during this time period. It was faster and better made than previous stoves in the past.

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Electric Motor
The electric motor was created by Thomas Davenport in 1834. This motor was used to propel a small car around a circular track. A few years later in 1837 he received a patent for,"Improvements in propelling machinery by magnetism and electromagnetism."

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Telegraph
the telegraph was made by Samuel F.B Morse in 1844. The telegraph revolutionized long distance communication. It transmitted electrical signals over a wire between stations.

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Lowell Girls
In 1845 the lowell girls formed the first ever union. They were the youngest female workers to work in Lowell, MA during this time period.

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Sewing Machine
The sewing machine was created by Elias Howe in 1846. The sewing machine was used to sew clothes. It was a new way to create different clothing and it was especially helpful during this time period.

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The Mechanical Reaper
The Mechanical Reaper was made by Cyrus McCormick in 1847. This helped harvest crops mechanically instead of having field workers do it. The field workers then had easier jobs and could do their jobs faster.

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Population
In 1850 15% of the nations populations lived in cities. Therefore this meant that the world was changing and we were creating more industries instead of farms.

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1850s
During the 1850s the poor worked long hours all year round. They had 12 hour days 6 days a week. The poor women were the ones who had to work and the rich and wealthy got to stay home.