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AT&T
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The history of AT&T is, in many ways, the history of the entire telephone system in the United States, thanks to its precursor the Bell Telephone company. Established by Alexander Graham Bell’s father in law, the company evolved into the American Telephone and Telegraph Company, and controlled the Bell System of telephone services across the nation. Accused of being a monopoly, it was broken up in 1983 by the US government, creating many of AT&T’s current competitors. The current company was itself reformed out of Southwestern Bell, one of those spun off companies.

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