This was a well-meaning attempt to allow the people of each new state to vote on whether to be a slave-state or free soil ('Popular Sovereignty').
In Kansas, the voters were intimidated by ruffians from Missouri wanting to win Kansas for slavery. These groups clashed with free-soil patrols, and there was a lot of bloodshed, as well as accusations of rigged results.
In the end, it was clear that Kansas was voting to be free soil.
But these events raised the temperature of the big debate over slavery, and this led to Civil War.
The US got Nebraska during the Kansas-Nebraska act in 1854.
Kansas-Nebraska act
Slaves
Kansas and Nebraska
Kansas and Nebraska were created after the Kansas-Nebraska Act of 1854. The reason for this Act was to open new farmland and create a Transcontinental Railroad.
Stephan A. Douglas proposed the Kansas Nebraska Act in 1854.
Popular Sovereignty
Franklin Pierce was president at this time.
No, Pierce.
The Missouri Compromise was effectively ended by the Kansas-Nebraska Act, however since there was still turmoil as to the "Bleeding Kansas" dispute, it was thought that the Kansas-Nebraska Act would be shortly overturned. The Dred Scott decision by the Supreme Court further strengthened the elimination of the Missouri Compromise and the institution of slavery north of the Mason-Dixon Line by ruling that slaves were not able to take cases to court.
The Kansas-Nebraska Act of 1854 called for "popular sovereignty."
Stephen Douglas