History, 18.11.2019 15:31 noslengerman

In what way was communication by telegraph an improvement over communication by mail carriage?
a. the telegraph allowed instant communication over long distances.
b. the telegraph used morse code.
c. the telegraph let messages be delivered in days instead of weeks.
d. the telegraph carried the sounds of people’s voices.

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In what way was communication by telegraph an improvement over communication by mail carriage?