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 ship
D)The telegraph required a wired cable connecting the sending and receiving stations

Question

Quizplus · Accepted Answer

The telegraph required a wired cable connecting the sending and receiving stations, making it useless for communication between ships at sea or between ships and the shore where such cables were not available or practical to install.

The Telegraph Was Useless as a Means of Communicating Between