Vocabulary Lessons 19, 20, 21

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Across
  1. 2. To guarantee or confirm to be true, accurate, or genuine
  2. 5. The act of keeping out or shutting out
  3. 9. something that is accepted as true without proof
  4. 10. The act of forcing out or driving out
  5. 11. Difficult to undertake or achieve
  6. 13. To complete
  7. 14. A soldier who is injured, killed, captured, or otherwise unable to take part in battle
  8. 15. A branch or department of the armed forces, with a specialized function
  9. 16. An image that is not real
  10. 18. To station soldiers in a place in order to defend it
  11. 19. To push out by force
Down
  1. 1. A theory; an educated guess that can be tested due to further investigation
  2. 3. A campsite; a place where people set up camp temporarily
  3. 4. Impossible to avoid or prevent
  4. 6. Expressing a lot in few words; short and clear
  5. 7. almost exact or correct
  6. 8. To cause to move forward or onward
  7. 12. A large unit of soldiers, usually made up of many smaller units
  8. 13. To make smaller by pressing together
  9. 17. To set free; release