What is the american civil war mostly about?

Slavery and the slave states leaving the union

Explanation:

Status of the states, 1861

Although there were opposing views even in the Union States, most northern soldiers were mostly indifferent on the subject of slavery, while Confederates fought the war mainly to protect a southern society of which slavery was an integral part.

Combatants: United States

Part of: Industrial Revolution

Explanation:

preach it sista lol xd

he would based it upon geographic luck which he often resulted his faith in.