westward expansion

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Across
  1. 6. Sleepless and playfulness
  2. 7. to go back an earlier condition
  3. 9. very strong
  4. 10. someone traveling on foot
Down
  1. 1. to move or direct a
  2. 2. change from one form to another
  3. 3. small in number or extent thinly
  4. 4. Lacking a strong flavor
  5. 5. to stop working
  6. 8. my school requires school uniforms