USA HISTORY

WESTWARD EXPANSION INDUSTRIALIZATION URBANIZATION 1870 1900

AMERICAN INDUSTRY DEVELOPMENT IN THE GILDED AGE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which application of a new technology can be attributed to an invention of Thomas Edison?
A
Refrigerated railroad cars allowed food to be transported long distances.
B
Light bulbs made it efficient for factory workers to work at night.
C
Diesel engines were used in the production of airplanes.
D
Sonar technology was used to track submarines
Explanation: 

Detailed explanation-1: -One of the most famous and prolific inventors of all time, Thomas Alva Edison exerted a tremendous influence on modern life, contributing inventions such as the incandescent light bulb, the phonograph, and the motion picture camera, as well as improving the telegraph and telephone.

Detailed explanation-2: -Q. Which application of a new technology can be attributed to an invention of Thomas Edison? Refrigerated railroad cars allowed food to be transported long distances.

Detailed explanation-3: -Inside the Secret Cities That Created the Atomic Bomb. The Manhattan Project, the program that developed the first nuclear weapons during World War II, worked out of three purpose-built cities in Tennessee, New Mexico, and Washington state.

Detailed explanation-4: -The consumer economy ground to a halt, and an ordinary recession became the Great Depression, the defining event of the 1930s.

There is 1 question to complete.