The Civil War was a brutal and deadly clash between two Americas. Some historians call it "The Second Revolutionary War." This was the war that killed the most Americans.
http://www.youtube.com/watch?v=WO2W-4hacHg - Watch for a brief overview
It was a battle between the north and south
It gave rise to new leaders
Many battles took place
There were many casualties on both sides
In the end, the south surrendered and the union was preserved.
But the hard work was just beginning.
The south was destroyed and reconstruction began.