Secession of southern states

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Across
  1. 2. President elected in 1860
  2. 7. Main southern economy
  3. 8. Third state to secede
  4. 9. Northern political party
Down
  1. 1. First state to secede
  2. 3. Southern political party
  3. 4. Forth state to secede
  4. 5. seventh state to secede
  5. 6. Region of the Union