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Eli witneys cotton engine
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this had given the U.S. control over the Mississippi
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was only partially claimed to what we know now
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mexico lost 55% of their territories
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we gained an uninhabited island
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was gained by the U.S. occupying there for long enough
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the way you would send telegraphs is with an electrical on-off switch called a telegraph key
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a tungsten filament lamp that lasted longer and gave brighter light than the carbon filament.
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generally regarded as the first affordable automobile, which made car travel available to middle-class Americans.
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in order to lessen water based illnesses the US started focusing on bettering our water