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1790: 90% of americans lived on farms in rule areas.

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1790: 90% of americans lived on farms in rule areas.

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1865: Horse and buggy era with oil lamps to light up their houses, waiting for a month or more to send or receive a letter with only a block of ice to keep the food cold.

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1865: Horse and buggy era with oil lamps to light up their houses, waiting for a month or more to send or receive a letter with only a block of ice to keep the food cold.

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1876: The telephone was invented by Alexander Graham Bell.

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1876: The telephone was invented by Alexander Graham Bell.

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1877: The first phonograph was invented by Thomas Eddison.

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1877: The first phonograph was invented by Thomas Eddison.

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1879: The light bulb was invented by Thomas Edison.

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1879: The light bulb was invented by Thomas Edison.

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1882: Thomas Edison used electricity for generating stations to light up the whole city.

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1882: Thomas Edison used electricity for generating stations to light up the whole city.

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1883-1885: The first skyscraper was built as well as the Brooklyn Bridge built with steal and was made by William LeBaron Jenney

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1883-1885: The first skyscraper was built as well as the Brooklyn Bridge built with steal and was made by William LeBaron Jenney

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1891: Over 1,300 stations providing enough electricity to power about 3 million light bulbs.

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1891: Over 1,300 stations providing enough electricity to power about 3 million light bulbs.

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1893: The first gas-powered automobile in the US was invented by Charles Duryea and J. 

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1893: The first gas-powered automobile in the US was invented by Charles Duryea and J. 

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1900: Nearly a million miles of telegraph wires were carrying more than 60 million messages a year.

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1900: Nearly a million miles of telegraph wires were carrying more than 60 million messages a year.

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1900: Many Americans illuminated their homes with electric lights and kept foods cold in an electric refrigerator and could send news across the continent in an instant by telegraph or telephone a few could even afford to replace their horse and buggy with a new automobile.

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1900: Many Americans illuminated their homes with electric lights and kept foods cold in an electric refrigerator and could send news across the continent in an instant by telegraph or telephone a few could even afford to replace their horse and buggy with a new automobile.

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1903: The brothers Orville and Wilbur Wright made the first successful powered airplane flights in history near Kitty Hawk North Carolina. 

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1903: The brothers Orville and Wilbur Wright made the first successful powered airplane flights in history near Kitty Hawk North Carolina. 

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1920: The number of commercial telephones had grown to at least 13 million.

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1920: The number of commercial telephones had grown to at least 13 million.

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1920: More than 50% of Americans lived in towns and cities.

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1920: More than 50% of Americans lived in towns and cities.