The Crittenden Compromise or Crittenden Plan was the nation's last effort to prevent the civil war.
Defininition of Crittenden Compromise: A series of constitutional amendments proposed in Congress in 1860 to serve as a compromise between proslavery and antislavery factions, one of which would have permitted slavery in the territories south but not north of latitude 36°30′N. Also called Crittenden Plan.
