Was Slavery the Main Cause of the Civil War or Was It Something Else?

What can bring a country to war with itself? In the 1860's the nation was split into two sides, the North as the Union and the South as the Confederates, with many differences between them. However, slavery was what caused the civil war to begin.
With slavery being the main issue in the south, they had trouble keeping them from escaping to the north where slavery didn't exist. This caused the South to issue the Fugitive Slave Law. The law forced the North to capture slaves that crossed the Mason Dixon Line. …