Final answer:
The Kansas-Nebraska Act led to a civil war in Kansas between pro- and anti-slavery settlers.
Step-by-step explanation:
The Kansas-Nebraska Act led to a conflict between pro- and anti-slavery settlers in Kansas. The Act, passed in 1854, allowed the residents of these two territories to decide for themselves whether to permit slavery or not, which ignited a fierce struggle. Pro-slavery settlers sought to make Kansas a slave state, while anti-slavery settlers aimed to keep it free. This conflict became known as Bleeding Kansas and was one of the precursors to the American Civil War.
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