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- Missouri entered as a slave state and Maine as a free state; slavery banned north of 36°30′ line.
- Tried to balance power between free and slave states but deepened sectional divides
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- California entered free; Utah and New Mexico allowed poplar sovereignty; fugitive slave act passed.
- North angry over fugitive slave act; south worried about free-state growth.
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- Required citizens to return runaway enslaved people to owners.
- Increased anti-slavery feelings in the North and tension over enforcement.
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- Harriet Beecher Stowe’s book exposed the cruelty of slavery.
- Increased Northern opposition to slavery; angered Southern slaveholders.
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- Allowed settlers in Kansas and Nebraska to vote on slavery.
- Led to violent conflict known as “Bleeding Kansas.”
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- Pro-slavery and anti-slavery settlers fought violently over slavery.
- Showed that popular sovereignty couldn’t solve the slavery issue peacefully.
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- Brooks attacked Sumner in the Senate after an anti-slavery speech.
- Showed how deep and violent political divisions had become.
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- Supreme Court ruled enslaved people were property, not citizens.
- Angered the North and strengthened Southern pro-slavery stance.
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- Lincoln and Douglas debated expansion of slavery in Illinois Senate race.
- Lincoln gained fame as an anti-slavery voice, dividing North and South further.
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- Abolitionist John Brown led an attack on a federal arsenal to start a slave revolt.
- Increased Southern fears of Northern aggression.
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- Lincoln won without Southern support.
- Southern states viewed him as a threat to slavery and began seceding.
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- Eleven Southern states left the Union to form the Confederacy.
- Eleven Southern states left the Union to form the Confederacy.
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- Confederate forces fired on a Union fort in South Carolina.
- Confederate forces fired on a Union fort in South Carolina.