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  samuel slater started mill industry
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  Elin Whitney revolutionized cotton industry. led to cotton boom. increaed demand for slavery in south
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  Eli Whitney made machines easier to assemble and repair. he also made industries for profitable.
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  Robert Fultom allowed goods to be moved more easily. also in creased trade and profit.
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  Peter Cooper increased speed of transportation and travel. led to an economis boom. and also increased westward expansion.
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  Cyrus mcCormick increased wear produstion because it could be cut quicly and effectively. beginning of advertising market.
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  Samuel R. B. Morse made communication easier.
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  john deere made farming easier,
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  Isaac Singer made clothing production more efficient.