Answer:
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.
Explanation:
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Answer:
it sent advance 'pioneers' ahead, to plant crops, build houses, set up staging posts for the travellers
Explanation:
Answer: Elisha Graves Otis
Explanation: Elisha Graves Otis developed and invented the elevator which helped many who were handicapped. In developing the elevator, he also developed a safety device preventing elevators from falling if the hoisting cable has failed.
Answer:
I think answer is C.
Explanation:
Which of the following events occurred after the Battle of Bunker Hill in 1775? George Washington became commander of the American army and began to organize it. George Washington resigned as president of the colonies so he could take over the army.
