Dred Scott v. Sanford
The Kansas-Nebraska Act repealed the Missouri Compromise of 1820 and the Compromise of 1850, specifically the provision that prohibited slavery in territories north of the 36°30’ parallel. Instead, the Act allowed for the potential expansion of slavery into those territories based on popular sovereignty.
compromise of 1850
The admission of California to the Union - it was too big to be accommodated according to the terms of that compromise.
14th amendment
A decision on the structure of the legislature
Dred Scott v. Sanford
compromise of 1850
In the Dred Scott decision a slave was taken up north to a "free state," according to the Missouri Compromise, and then brought back down to a slave state. Dred Scott felt that by entering a free state should be free from slavery, but on the ruling the Dred Scott decision ruled that slaves are considered property and can be taken anywhere, therefore going against the Missouri Compromise. The Supreme Court ruled that the Missouri Compromise was unconstitutional under the Fifth Amendment Takings Clause for the reasons stated above, and overturned the legislation.
The Kansas-Nebraska Act repealed the Missouri Compromise of 1820 and the Compromise of 1850, specifically the provision that prohibited slavery in territories north of the 36°30’ parallel. Instead, the Act allowed for the potential expansion of slavery into those territories based on popular sovereignty.
The Missouri Compromise was nullified by the new Compromise of 1850 - caused by the admission of California, which extended a long way on either side of the Missouri line, and rendered it obsolete.
Dred Scott decision
It declared that blacks were not citizens and could not have the rights of citizens. The Dred Scott decision also declared the Missouri Compromise of 1820, legislation which restricted slavery in certain territories, to be unconstitutional. This case was overturned by the 13th Amendment.
The Dred Scott decision repealed the Missouri Compromise because it was said to deny a man's right to property and that it is unconstitutional. The decision legalized slavery everywhere, and the Missouri Compromise said that there equal free states and slave states, and so now all states are slave states.
The North was upset because the decision declared the Missouri Compromise to be unconstitutional. - Novanet
There was not a major decision that led to it but there were many that led to it such as the dred Scott decision and the Missouri compromise and the compromise of 1850 and the Lincoln- Douglas debate
the missouri compromise
Utah and New Mexico