how did people use a telegraph to communicate without speech?\nwith a series of bells of varying…

how did people use a telegraph to communicate without speech?\nwith a series of bells of varying pitches\nwith words typed out on a typewriter\nwith morse code\nwith overland mail carriages
Answer
Brief Explanations:
Telegraphs used Morse code, a system of dots and dashes, to send messages without speech. Bells of varying pitches, typewriters, and over - land mail carriages are not related to telegraph communication methods.
Answer:
C. with Morse code