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.
Answer:
The south had no justified reason to secede from the union. They were still bound to the constitution, had no legal right to secede, and broke numerous laws such as forming an illegal alliance and attacking the United States (at Ft. Sumter). The constitution was created as the basis of the United States government.
Explanation:
A : The wealthy upper class paid for and provided troops to end the rebellion.