PLZ HELP MEH What were three important innovations of the late nineteenth and early twentieth centuries?

asked Feb 8, 2019 124k views

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PLZ HELP MEH

What were three important innovations of the late nineteenth and early twentieth centuries?

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The Steam Engine, The Telephone, The Telegraph, Electricity/Light Bulb, The Cotton Gin, The Locomotive, Photography...

Peroija answered Feb 13, 2019

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