Was the civil war inevitable?

Yes. Up until the Southern states seceded and formed a Confederacy, the Civil War was not inevitable

Yes, the civil war was inevitable.

Explantation:

Until the Southern states succeed and formed a Confederacy, the Civil War was not inevitable. Even with the Force Act, there was no guarantee that the Union would decide to actually use force to bring the Southern states back.

Agriculture and farming will in turn lead to a surplus of food because the crops will continue to grow produce if they are farmed properly. Surplus is an excess amount of something.