The telegraph was useless as a means of communicating between ships at sea or between ships and the shore because .
A) its signal was too weak to travel across bodies of water
B) the telegraph signal was distorted by the electromagnetic spectrum
C) telegraph equipment was too cumbersome to be used aboard ships
D) the telegraph required a wire cable connecting the sending and receiving stations
E) All of the options are correct.

Question

Quizplus · Accepted Answer

The telegraph required a physical wire connection between the sending and receiving stations, which was not feasible for communication between ships at sea or between ships and the shore.

The Telegraph Was Useless as a Means of Communicating Between