The correct answer is C) it reinforced the Missouri Compromise
All of the following was true about the Kansas-Nebraska Act EXCEP: It reinforced the Missouri Compromise.
The Kansas-Nebraska Act of 1854 allowed citizens to decide if they wanted slavery in the new state borders. It was proposed by Stephen Douglass as a mandate of popular sovereignty. The Act reversed the Missouri Compromise that established a latitude that divided the limits of slave territories and free territories. This produced many violent attacks such as during the period known as "Bleeding Kansas."