Do you believe the civil war could have been avoided? why or why not?

How many battles were confederate victories? (specifically: major battles)

How are the republican and democratic presidential candidates chosen? a. they are nominated by their state governments. b. each is nominated by his or her respective party. c. each is chosen by the governor of his or her home state. d. they are chosen by the house of representatives.

What rights are guaranteed in the 13th,14th, and 15th amendments. why was it necessary to change the constitution to guarantee these rights?