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Was made as a balance of power, between free and slave states, by admitting Maine to the Union as a free state and Missouri as a slave state. It decreased, because it was equal for both sides.
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a request in missouri that tried to ease tensions that were triggered by missouri being a slave state. This eased tension it evenly divided the free and slave states
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The liberator was an ant slavery Newspaper formed by William Douglas. This angered Slave states and increased tension
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rebel slaves led by Nate turner killed60 people in Virginia during a slave revolt. This decreased tension, because it showed that the slaves were dangerous and willing to fight for freedom.
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Texas broke away from the republic of mexico and join the United States. This increased tension, because it was another territory to fight over.
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Was designed to end slavery in the land obtained in the war with Mexico.This increased tension by angering slave states.
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Laws that tried to resolve conflict by adding California as a free state and abolishing the slave trade in DC. This increased tension, because it angered southern slave owners.
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This forced people to return run away slaves to their masters, even if found in a free state. This decreased tension, because it was a solution of the underground railroad for the slave owners
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This was a way that slaves used to escape up north from their masters. This increased tension, because it angered slave holders who were not able to get their slaves back.
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The book showed the affect of slavery on families. This escalated tensions because the South was threatened by the North.
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Anti-slavery whigs met to discuss creating a new political party in 1854. This increased tension, because Abraham Lincoln was a republican.
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Created the territories of Kansas and Nebraska and allowed them to choose their own slave laws. This increased tension, because the people could not agree on what it should be.
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These were violent altercations between people who were for and against slavery in Kansas. This increased tension, because it showed that Kansas couldn't have it both ways.
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This was the ruling that the Scott family was not free, even though they had lived in a free state with there masters for a while. The ruling by the supreme court made slavery allowed in many parts of the country which decreased tensions.
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Were a series of debates between presidential candidates Lincoln and Douglas. This increased tension, because it anger slave states who were not for Lincoln.
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It was an attempt to lead an armed slave revolt and take hold of the United state's arsenal. This increased tension, because of how the North saw him as a hero, while the south saw a villian.
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Abraham Lincoln was elected as President, which angered many slave states due to his threat of banning slavery. It increased the tension, because he had the power to end slavery.