Question

In what way did Thomas Edison have the greatest effect on the nation?
(1 point)
O Indoor activity became possible after dark.
• Automobiles could be built more efficiently and cheaply.
• Electrical devices transformed homes and businesses.
• Most jobs in the nation involved technological innovation.

Answer 1

In what area did airplanes first prove to be of practical value?
(1 point)
• stunt shows
O mail delivery
• the tourism industry
• military operations

Answer 2

Electrical devices transformed homes and businesses.

Answer 3

Mail delivery