This essays explains what caused the civil war.

Causes of the Civil War The main cause of the Civil War was slavery. The southern states depended on slavery to support their economy. The southerners used slaves to produce crops, especially cotton. The debate between the north and south was that should slavery be permitted in the western territories. The north was against slavery so they were worried about it expanding over into the western territories. The American Revolution had been fought to validate …

…Confederate States of America. This outraged the North and what was led to the Civil War. The existence of slavery was the main reason for the conflict between the North and South. There were also other problems that led to succession but none were as big as the slavery issue. The only way to avoid the war was to remove slavery but this could not be done because slavery is what kept the South running.