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OpenStudy (anonymous):

MEDAL How did Granville Woods improve the telegraph? A. He made it possible for the telegraph to transmit speech. B. He made it easier for ordinary, untrained people to operate the telegraph. C. He made it possible for moving trains to have telegraphs. D. He made the telegraph easier to carry around.

OpenStudy (paki):

what you guess here about the answer...?

OpenStudy (anonymous):

A

OpenStudy (paki):

agree... have a look here for details... http://en.wikipedia.org/wiki/Granville_Woods

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