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In 1854, Senator Stephen A. Douglas proposed a bill that would divide Nebraska Territory into Nebraska and Kansas. He suggested that slavery in these territories should be decided by voting. This could allow slavery in states where it had been banned which angered many.
Thousands of pro and anti-slavery advocates rushed into Kansas to illegally vote and shift the popular sovereignty. Both sides armed themselves and fighting ensued. Pro slavery mobs attacked the town of Lawrence and abolitionist John Brown led 7 men and killed 5 as revenge in the Pottawatomie Massacre.
Dred Scott vs. Sandford
Dred Scott was a slave that was taken into free states by his master. He claimed that that made him a free man and sued for his freedom. The case reached the Supreme Court who ruled that Scott was not a U.S citizen and could not sue in U.S court. They also ruled that slaves were property and the right to own slaves was protected by the Constitution
John browns raid
John Brown was an abolitionist who wanted to inspire slaves to rebel and planned to capture weapons from Harpers Ferry, VI. Brown and his followers captured the arsenal and sent out the word to arm local slaves. Unfortunately no slaves joined him and he was caught and executed by U.S marines
Election of Abraham Lincoln
In the election of 1860 the North outnumbered the South and voted Lincoln into office. Lincoln claimed that he would make no change to slavery but southerners didn't trust him. Many southern stated seceded and formed the Confederate states of America
Battle of Fort Sumter
The Confederate states began to build up an army near Charleston Harbor. The Union army began to move their soldiers and supplies to Fort Sumter. The fort was surrounded by Confederate troops and the Union troops ran low on supplies. The confederate army told them to leave but they held. The confederate army opened fire. The Union, already low on supplies, was quickly overwhelmed and surrendered. This attack would begin the civil war.