• Unit 7A Benchmark Review
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  • What was the major cause of polarization in the U.S. in the 1800s?
    Slavery
  • Which court case ruled that slaves were property no matter where they lived?
    Dred Scott v. Sanford
  • Which book caused Northerners to be more supportive of freeing slaves and made slavery a moral, personal issue?
    Uncle Tom's Cabin
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