Question

11.

(1/1) Samuel Morse helped spark a revolution in communications. Mark the statement if it describes one of Morse's contributions.

A.
He developed the semaphore system, thereby revolutionizing communications.

B.
He invented the electric telegraph that transmitted information instantaneously.

C.
He devised a code of dots and dashes for sending messages over the wire.

D.
The first telegraph line ran from Philadelphia, Pennsylvania, to New York City.

E.
Telegraph wires spread across the continent by following railroad tracks west.

Answer 1

This should help

http://www.history.com/topics/inventions/telegraph

Answer 2

dude i got it

Answer 3

Mark the statement if it describes typical living conditions for industrial workers

A.
Row houses and tenements were terribly overcrowded.

B.
Even though working conditions were difficult for factory workers, most of them could afford comfortable living conditions.

C.
Because of the demand for workers, there were few unemployed or homeless people.

D.
Poor sanitation and polluted water spread diseases like typhus, cholera, and smallpox.

Answer 4

nevermind

Answer 5

Which of the following does not correctly describe Charles wingspanens?

A.
a mid-nineteenth-century author whose writings about urban squalor helped spur reform

B.
author of A Christmas Carol, Oliver Twist, Bleak House, and Little Dorrit

C.
writer of a series of stories about the lives of the British aristocracy

D.
wrote about the fictional industrial city of Coketown in his 1854 novel, Hard Times