Question

The development of both the Telegraph and telephone contributed to the economic expansion of the us by increasing

Answer 1

The development of both the telegraph and telephone contributed to the economic expansion of the U.S. by... stabilize financial institutions of the U.S. The launch of Sputnik I and Sputnik II by the Soviet Union in 1957 led the U.S. loss of public confidence in the U.S. gov.

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