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Kansas Territory

historical territory, United States

Quick Summary

The Kansas Territory was established in 1854 by the Kansas-Nebraska Act. This act allowed settlers to decide whether Kansas would permit slavery, a concept known as popular sovereignty. This led to a period of intense conflict between pro-slavery and anti-slavery factions, known as Bleeding Kansas.

Pro-slavery advocates, primarily from Missouri, and anti-slavery settlers from the North rushed into Kansas to influence the vote. This resulted in violence, including the Pottawatomie Massacre led by John Brown and the sacking of Lawrence. Two competing territorial governments were formed, one pro-slavery and one anti-slavery (the Topeka Constitution). The conflict contributed to the rise of the Republican Party and heightened national tensions leading up to the Civil War. Kansas was eventually admitted to the Union as a free state in 1861.

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