Kansas Nebraska Act.

The Kansas-Nebraska Act, of 1854, created and destroyed American political parties and lead to the sectional differences in our nation that resulted in violence. The Kansas-Nebraska Act was a plan introduced by Stephen Douglas that would divide the remainder of the Louisiana Purchase, of 1803, into two separate territories- Kansas and Nebraska. In each territory popular sovereignty would allow voters to determine whether the state was to be a slave state or a free state. If Stephen's …

…own poison. By forcing the slaves to be counted as property, the owners of slaves could travel anywhere with their "property" under the protection of the constitution. The Kansas-Nebraska Act tore apart our U.S. political parties, but brought them together in a stronger form to never fall again. At the cost of hundreds of American's lives, our strongest political parties and citizens came out on top, and made out nation what it is today.