-
What happened:
Congress passed a series of laws to ease tensions between free and slave states. California entered as a free state, while the Fugitive Slave Act required citizens to return escaped enslaved people. How it led to war:
The Fugitive Slave Act angered many Northerners, who felt forced to support slavery. This deepened the divide between North and South. -
What happened:
This act let settlers in Kansas and Nebraska vote on whether to allow slavery. It repealed the Missouri Compromiseâs ban on slavery north of the 36°30Ⲡline. How it led to war:
Led to violent clashes as both sides rushed to influence the vote â setting off a chain of violent events in Kansas. -
What happened:
Pro-slavery and anti-slavery settlers fought violently in Kansas over whether it should allow slavery. How it led to war:
Led to violent clashes as both sides rushed to influence the vote â setting off a chain of violent events in Kansas. -
What happened:
After Senator Charles Sumner gave an anti-slavery speech, Representative Preston Brooks attacked him with a cane in the Senate chamber. How it led to war:
The attack shocked the North and thrilled the South, symbolizing how bitter and violent the national debate over slavery had become. -
What happened:
The Supreme Court ruled that African Americans, enslaved or free, were not citizens and that Congress could not ban slavery in U.S. territories. How it led to war:
This decision enraged Northerners, delighted Southerners, and made peaceful solutions over slavery seem impossible. -
What happened:
Abraham Lincoln and Stephen Douglas debated seven times during the Illinois Senate race, focusing on the issue of slavery in the territories. How it led to war:
The debates highlighted the moral and political divisions over slavery and raised Lincolnâs national profile as a leader opposed to its spread. -
What happened:
Abolitionist John Brown led a small group to seize a federal arsenal at Harpers Ferry, Virginia, hoping to inspire a slave revolt. He was captured and executed. How it led to war:
The raid terrified Southerners and convinced many that Northerners would resort to violence to end slavery, increasing tensions dramatically. -
What happened:
Abraham Lincoln won the presidency without carrying a single Southern state. His platform opposed the expansion of slavery into new territories. How it led to war:
Southern states viewed his election as a threat to slavery and began to secede from the Union, setting the stage for the Civil War.