social study's crossword

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Across
  1. 2. 2 across
  2. 3. 5 across
  3. 6. 1 down
  4. 12. 15 down
  5. 13. 13 across
  6. 14. Bridge 6 down
  7. 15. 7 across
Down
  1. 1. Era 8 across
  2. 4. 11 down
  3. 5. Ages 10 across
  4. 7. 14 across
  5. 8. 3 down
  6. 9. 4 down
  7. 10. 9 down
  8. 11. Era 12 down