One major controversy of the 1850s was the Kansas-Nebraska Act which was around 1854, A man by the name of Stephan Douglas made a proposal that Kansas and Nebraska be divided into two sections while the Missouri compromise be repealed, settlers had to decipher on whether or not to they wanted slavery in their territories which was popular sovereignty. In relation to the expansion of slavery, this contributed to the divide of America on the how the Union looked at slavery and the Confederacy. Many states had their own stances on slavery as they were either pro-slavery or anti-slavery. Kansas with slavery would violate the Missouri compromise, which for the most part kept the Union intact over the last few decades. As a result of this Kansas-Nebraska
