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Answer:

Developed in the 1830s and 1840s by Samuel Morse (1791-1872) and other inventors, the telegraph revolutionized long-distance communication. It worked by transmitting electrical signals over a wire laid between stations.

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Answer:

As the first means of long-distance communication, the telegraph changed the shape of American society. The telegraph expanded the business possibilities and expedited the work of a variety of professions, including bankers, brokers, lawyers, and hotel proprietors.

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