How did the Civil War transform the course of American History?

Question: How did the Civil War transform the course of American History!?
Best Answer - Chosen by Asker:

It established the the federal government as being the supreme power in the land, not state governments!. It also ended american slavery!.Www@QuestionHome@Com

Gee, thats a tough one!. Let me get back to you!. !.!.Www@QuestionHome@Com