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Mexican War
This war lowered tension over the expansion of slavery. This war was fought over the rest of the land that was currently owned by Mexico west of the Louisiana property. -
Wilmot Proviso
This event increased tension over slavery because it angered the south because the proviso aimed at ending slavery. -
California Gold Rush
This raised tension over slavery because they did not want to expand west, but then it would cause the balance of free and slave states to become unbalanced. -
Compromise of 1850
This compromise lowered tension because it established a new free state and created a stronger fugitive slave act. -
Missouri Compromise
This leased the tension over slavery because it established a line where slavery would and would not be which eliminated expansion. -
Fugitive Slave Law
This event increased section tension because the northerners did not like forcing people to the south without a proper hearing. -
Uncle Tom’s Cabin is published
This book increased slavery because it showed the horrors of slavery making people fear it more. -
Republican Party Forms
This caused increased tension because the southerners had realized if a republican was elected, slavery was over. -
Kansas-Nebraska Act
This increased tension because it repealed the compromise causing more sectional tension within the US. -
“Bleeding Kansas”
This increased tension because of popular sovereignty because everyone had a different opinion of what to do. Many people were killed. -
Dred Scott vs. Sandford
This raised the tension over slavery because the southerners did not want the slaves to be able to sue, but the Northerners did not think it was the right ruling. -
Charles Sumner caned in the Senate
This event increased tension because it came at a time when the people were uncertain what to make Kansas, either free or slave. -
John Brown’s Raid at Harper’s Ferry
This increased tension because he was an abolitionist and went to raid a southern land at Harper's Ferry. -
Abraham Lincoln elected President
This increased tension over slavery and led to many southern states to secede from the union. -
Southern states begin to secede
This led to increased tension because the southern states did not like the rulings and left the union fearing slavery would be eliminated. -
Battle at Fort Sumter
This event caused more tension because it was caused by more sectionalism and and people from the south opposing Lincoln's decision to put more weapons at fort sumter.
