What led the Southern states to secede from the Union in 1860 and 1861? There were many factors that led to the 12 states secession from the Union. And yes, I said 12 states. Missouri seceded in 1861 only to rejoin the Union a short time later. These states had been a part of the Union for over 80 years. To dissolve these seemingly unpermiable bonds there had to be many differences in views on both sides. The election of 1860 was …showed first 75 words of 1007 total…

…showed last 75 words of 1007 total…