Pros:
- Temporary resolution of the slavery issue: The compromise helped to temporarily resolve the issue of slavery in the territories by establishing a line dividing the North and the South. Territories north of the line would be free states, while territories south of the line would allow slavery. This helped to prevent the immediate outbreak of civil war.
- Admission of California as a free state: California was admitted to the Union as a free state, which increased the number of free states in the Senate and helped to balance the power between the North and the South.
- Establishment of the Fugitive Slave Act: The compromise included a provision that required all citizens to assist in the capture of escaped slaves, even in free states. This provision was unpopular in the North, but it helped to appease Southern states that were concerned about the loss of their slaves.
- Preservation of the Union: The compromise helped to prevent the immediate secession of Southern states from the Union. By addressing the issue of slavery in the territories, the compromise bought time for both sides to find a more permanent solution to the issue.
Cons:
- Increased tensions between the North and the South: The compromise did not resolve the underlying issue of slavery, and it actually increased tensions between the North and the South. The Fugitive Slave Act was particularly unpopular in the North, and it led to increased resistance to the enforcement of slavery.
- Dred Scott decision: The Supreme Court's decision in the Dred Scott case in 1857 overturned the Missouri Compromise of 1820 and ruled that African Americans were not citizens of the United States. This decision further inflamed tensions between the North and the South and made it clear that the issue of slavery would not be easily resolved.
- Civil War: The Compromise of 1850 ultimately failed to prevent the outbreak of the Civil War in 1861. The war was fought over the issue of slavery, and it resulted in the abolition of slavery in the United States.