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5 bills that tried to settle disputes over slavery in the new territories in the U.S. -
A U.S. law that made the territories of Kansas and Nebraska and overturned the Missouri Compromise of 1820. -
A series of violent civil confrontations in the Territory of Kansas and Missouri between 1854 to 1859. -
The Supreme Court upheld slavery in U.S. territories denied the legality of citizenship for black people and declared the Missouri Compromise unconstitutional. -
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