it helped people communicate from different places. It helped people during the war. It also checked for accuracy of the information and get an immediate reply.
Telegraph
How does communication improve society
Sped up dilvery
telegraph, Morse code
The telegraph and newspapers.
The telephone followed the telegraph in terms of communication technology.
telegraph
Communication by telegraph has been outmoded by wireless communication methods.
Telegraph
Rapid communication
The telegraph was invented.
Bell was trying to improve the telegraph when he invented the telephone. They used the telegraph to communicate across the ocean.
The telegraph allowed faster communication across America and eventually the world.
telegraph
(telegraph)
Morse code.
Morse