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.

they wanted the u.s. to fight on the side of the central powers.

the virginia plan called for three branches of government and two houses of congress. representation in each house would be determined by population. the new jersey plan called for three branches of government and a single house of congress. each state would have an equal vote.