It was the first time slavery tried to move into free territories.
I'm not very sure what your question is. But pro-slavery men snuck over and burned building of Northerners or non-slavery people. They burned official buildings and murdered 5 people. This was called "Bleeding Kansas."
The growing fear of active slave resistance
In the mid-1800s, debate over slavery increased as abolitionists organized to challenge slavery in the United States. Please press helpful if it helped thanks
When the Kansas territory was ready to seek admission to the Union in 1857, the key issue was whether it would be a free state or a slave state. The pro-slavery forces won control of the constitutional convention, which met in the town of Lecompton in September of that year. The complicated fight over the pro-slavery Lecompton Constitutionmanifested the sectional tension that would erupt in the Civil War three years later.
Sectional division over slavery was part of what led to the Civil War. Both 'sections' of the country, the North and South, were vehement with their opinions about slavery. This led to both parts of the country feeling separated and only worrying about the desires of their 'section' and not thinking like a country as a whole.
They worried Kansas would become a haven for runaway slaves.
Tensions and violence over slavery spread outside Kansas
The Kansas-Nebraska Act of 1854 called for "popular sovereignty." The decision about slavery was to be made by the settlers in Kansas rather than by outsiders. The decision as to whether Kansas would become a free state or a slave state would be decided by the votes of people in Kansas. Whichever side had more votes counted by officials would decide if Kansas would become a free state or a slave state.
"Bleeding Kansas" was the term used by newspapers to describe the conflict over slavery in Kansas, which erupted in violence between pro-slavery and anti-slavery forces in the 1850s.
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Violence erupted in Kansas due to the passage of the Kansas-Nebraska Act of 1854. Pro-slavery people and anti-slavery people became savage with each other over the issue of slavery. The result of the severe violence is termed "Bleeding Kansas".
Bleeding Kansas
Tensions and violence over slavery spread outside Kansas
Tensions and violence over slavery spread outside Kansas
Tensions and violence over slavery spread outside Kansas
Prior to Kansas joining the Union, the Kansas Territory was a hotbed of violence and chaos between anti-slavery and pro-slavery settlers. Kansas was known as Bleeding Kansas as these forces collided over the issue of slavery in the United States.
Kansas