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Series of dots and dashes that could be transmitted electrically to communicate

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A boat with a wheel on the back that allows the boat to go upstream

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Electric incandescent light

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- Population expansion in U.S. and UK

- Need for communication that could cover great distances
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Device to communicate directly from long distances

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- Developed in 1836, opened in
1844 between Baltimore and Washington D.C.
- known as Morse Code,
- Expanded with railroad, which acted as telegraph stations
- cut time from days to minutes
- led to development of telephone

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Travel through the river to trade and be able to go upstream

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Aircraft used to travel by air

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More travel by river because before it was only possible to go downstream but now it you go upstream.

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Days lasted longer because now people had light after dark
Work hours were longer because factories had now light
Better work because factories had light

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Get light after dark and it is safer than candles

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Faster communication from long distances

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Needed faster communication and to be directly heard

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Travel faster by air

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Travel faster by air