Samuel Morse invented the telegraph. It communicated using a series of beeps (Morse code).
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telephone
Alexander Graham Bell invented the telephone.
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Andrew Carnegie owned US Steel.
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Steel Mill at night.
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Robber Barons
John D. Rockefeller owned the railroads and the oil industries
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Carnegie and Rockefeller ran their competition out of business.
A monopoly is when one company controls the entire industry.
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The light bulb allowed factories to work at night.
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Phonograph
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Motion picture camera
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Pull factors
Immigrants come to the USA for jobs and opportunities.
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Pull factors are good stuff to bring immigrants here like jobs.
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Jobs pulled immigrants here.
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Free land was a pull factor
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Push factors are bad stuff to push immigrants away like war or disease. This is potato famine.
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Many immigrants lived in tenements.
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