Answer:
the ability to amend the constitution is almost crucial to the state of our nation's future. As times change, people change, right? Well, when people change, the nation overall changes. Therefor, we need to be able to mold our "rule book" to protect our people in the future as well as the present.
Then you have military geniuses on the confederate side, Stonewall Jackson, Robert E Lee, and the more controversial leaders Nathan Bedford Forrest and Stand Watie. While they fought for the wrong side, they were great leaders. The north had generals and leaders like grant, Farragut, Mclellan, and Custer.
They were more politically motivated