This is much too vague. Need more to work off of.
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The reason why violence occurred in Kansas after the passage of the Kansas Nebraska act is that this act left the issue of whether or not there would be slavery in this new territory up to "popular sovereignty"--meaning that people from all over rushed into the territory to voice there opinion, which resulted in disagreements and violence.
Answer:
F. the need to add a Bill of Rights. The Federalists didn't want to add the Bill of Rights because they thought that the new constitution would be enough while the Anti-Federalists thought that the new government would threaten individual liberties if there wasn't a Bill of Rights
Explanation:
I have no clue what this is, but I hope someone else can give you an answer
