Answer:
Cell phones and lighting
Explanation:
Cell phones allow everyone to be connected with one another,
and lighting allows people to work more then eight hours a day. Before electricity people were only able to work while the sun was out. It also allows us to produce goods faster and of higher quality.
The Civil War was from 1861-1865 which is 4 years.
Answer:
He wrote common sense. So read about that
Explanation:
