Respuesta :

Hm. This will be tough, I'll research.

1) Fort Sumter battle.
2) Bull Run battle.
3) Battle of Fort Henry and Fort Donelson
4) Battle of New Orleans
5) Battle of Gettysburg
6) Lee surrenders to the North
7) Abe Lincoln is re-elected
8) Emancipation Proclamation 
9) Battle of Antietam
10) Battle of the Monitor and Merrimack

Sorry if I'm not specific.
1. economic and social differences. 2. states vs. federal rights. 3.slave and non-slave states. 4. the abolitionist movement. 5. the election of Abraham Lincoln . 6. the Mexican war ended 7. uncle tom's cabin was released 8. Charles Sumner was attacked by Preston on the floor of the senate 9. Lecompton  constitution rejected 10. John Brown raided Harper's Ferry