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History, 17.07.2019 16:30 megamegs80
How did thomas edison make cities safer? (a)cities became less crowded because airplanes allowed people to move to new areas.(b) light bulbs replaced gas lights and kept city streets well lit to reduce crime. (c)police could cruise the streets in automobiles powered by internal combustion engines. (d)the telephone made it easy to call for in case of an emergency.
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