USA HISTORY

WESTWARD EXPANSION INDUSTRIALIZATION URBANIZATION 1870 1900

IMMIGRATION IN INDUSTRIAL AMERICA

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Who invented a machine to transmit the human voice over wires (the telephone)?
A
Alexander Graham Bell
B
The Wright Brothers
C
Benjamin Franklin
D
Barack Obama
Explanation: 

Detailed explanation-1: -Alexander Graham Bell is most well known for inventing the telephone. He came to the U.S as a teacher of the deaf, and conceived the idea of “electronic speech” while visiting his hearing-impaired mother in Canada.

Detailed explanation-2: -In 1876, at the age of 29, Alexander Graham Bell invented the telephone. In 1877, he formed the Bell Telephone Company, and in the same year married Mabel Hubbard and embarked on a yearlong honeymoon in Europe.

Detailed explanation-3: -The patent for the telephone. Alexander Graham Bell did not think he was inventing a ‘telephone’ during his early experiments. He was working on the holy grail of the day: sending multiple telegraph messages over the same wire.

Detailed explanation-4: -On March 7, 1876, 29-year-old Alexander Graham Bell receives a patent for his revolutionary new invention: the telephone. The Scottish-born Bell worked in London with his father, Melville Bell, who developed Visible Speech, a written system used to teach speaking to the deaf.

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