Answer: instant communication over distance through speech
The telephone is a device that permits two or more persons to have an instant communication over distance through speech. It was an innovation made possible by Alexander Graham Bell. He worked at a school for the deaf and it was his focus on speech, hearing and amplification led to its invention in 1876.
Innovations was made possible by Alexander Graham Bell include option C: instant communication over distance through speech.
The telephone was an innovation made possible by Alexander Graham Bell. Through this telephone people can interact with each other at any time and at any place.
Moreover, on March 7, 1876, bell won U.S. patent 174,465. Bell thought that he could solve the issue of sending a human voice with the help of a wire.
Therefore, correct option is C.
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