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Samuel Slater invented the textile mill in 1793. This spawned the mill industry.
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In 1793, Eli Whitney invented the cotton gin. This revolutionized the cotton industry, started the cotton boom, and increased demand for slavery.
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Eli Whitney invented interchangeable parts in 1798. This made machines easier to assemble and made industry more profitable.
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Robert Fulton invented steamboat. This increased trade and profits, and allowed goods to be move easily.
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Peter Cooper invented the locomotive in America in 1827, which increased transportation, led to an economic boom, and increased westward expansion.
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In 1831, Cyrus McCormick invented the Harvesting Reaper, increasing wheat production and beginning the advertising market.
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In 1832, Samuel Morse made communication easier via the telegraph.
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John Deere invented the steel plow to make farming easier.
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Isaac Singer invented the sewing machine in 1850 to make clothing production easier.