USA HISTORY

WESTWARD EXPANSION INDUSTRIALIZATION URBANIZATION 1870 1900

SECOND INDUSTRIAL REVOLUTION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
How did Alexander Graham Bell revolutionize communications?
A
He invented the telephone.
B
He invented the hearing aid.
C
He invented the grain mill.
D
He invented the television.
Explanation: 

Detailed explanation-1: -Bell created the Bell Telephone Company, and in the first 10 years of its existence, telephone ownership in the United States grew to more than 150, 000 people. Bell improved the device over the years. For example, he added a microphone that amplified the voice.

Detailed explanation-2: -Most notably, Bell is credited for his invention of the telephone, which grew out of his research on the telegraph. Thanks to his contributions, communications continue to expand and improve across the globe, allowing people to stay connected from virtually anywhere.

Detailed explanation-3: -It was through his work with the deaf and his careful study of how sound is transmitted via the human voice that led Bell to the invention of the telephone. Fascinated by Samuel Morse’s telegraph, Bell set out to use what he knew about sound and speech to improve upon the idea of transmitting communication.

Detailed explanation-4: -On March 7, 1876, Alexander Graham Bell successfully received a patent for the telephone and secured the rights to the discovery. Days later, he made the first ever telephone call to his partner, Thomas Watson.

There is 1 question to complete.