What did samuel f. b. morse invent that revolutionized communication?
the telephone
o railroads
the national mail system
the telegraph

The correct answer is D) the telegraph.

What Samuel F. B. Morse invented revolutionized communications. It was the telegraph.

Yes indeed, it was Samuel Morse (1791- 1872) who invented the telegraph and enhanced communication between towns and cities. Morse also developed a code system to transmit information that has his name: the Morse code. The first transmission was in 1844 when Morse sent a telegraph message to Baltimore. He was in Washington D.C. This invention and the long system of cables throughout the nation and across the Atlantic Ocean allowed the following inventions such as the telephone.  

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