Samuel morse spark a revolution in communications which statements describe one of morses contributions -he devised a code of dots and dashes for sending messages over the wire -he invented the electric telegraph that transmitted information instantaneously -he developed the semaphore system, there by revolutionizing communications -telegraph wires spread across the continent by following railroad tracks west -the first telegraph ran from philadelphia, pennsylvania, to new york

Samuel Morse (1791 - 1872) is an American inventor and painter. He was known for the invention of the electric telegraph, and improved telegraphic traffic by adding a relay at certain length intervals and thus enabled the transmission of signals over long distances. He also invented the dots and dashes code for the current transmission of the message, by which the message would be sent encrypted. In this way, the sending of the message has become instantaneous and possible over long distances.

Answers are: A. B. D.

john f. kennedy purpose was to make his argument a strong appeal to emotion in order to make an impact and connection to american citizens. he want to achieve peace by telling the citizens they shouldn't be afraid of other nations.

explanation:

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