politically: it split all the parties. E.g. suppose to be democrats v. republicans but it became northern democrats w/ northern republicans v. southern dems and repub.
moral: north: free slaves, evertone equal, south: keep slaves, slave inferior
geographically: Confederacy v Union, Alabama, South Carolina, etc. seceded from U.S.
No way. The war was not just, are slaves equal? It was about economics. The Southerners needed free labor for cotton production. Without them, the plantations would fail and they would be bankrupt. so Southerners needed slaves for survival. Was not simply a moral issue
for more, go to
http://en.wikipedia.org/wiki/American_civil_war
hope this helped.