tic tac toe

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Across
  1. 4. main form of technology
  2. 7. jobs
  3. 8. BC and AC
  4. 10. soil
Down
  1. 1. NSA
  2. 2. people in charge
  3. 3. "20-50 people
  4. 5. OSA
  5. 6. caves
  6. 9. large groups of people