The road to disunion

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Across
  1. 3. the 14th president
  2. 4. senator of Illinois
  3. 6. important author
  4. 7. led an attack on proslavery men
Down
  1. 1. Massachusetts senator
  2. 2. Delivered the famous address“The Seventh of March Speech”
  3. 5. Southern states
  4. 6. The great compromiser