Civil war crosswords

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Across
  1. 3. fortification that explosives were usually futile against
  2. 6. To lie and wait for an attack
  3. 7. northerner who opposed war
  4. 8. Long sharp weapon attached to guns
  5. 9. a form of home made dye
  6. 10. Someone who wanted to abolish slavery
  7. 11. 50-100 soldiers
Down
  1. 1. Loyal to the Confederacy
  2. 2. smoothbore heavy artillery
  3. 4. used by the navies
  4. 5. A draftee
  5. 6. State of the U.S. before the war