American English or british english

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Across
  1. 2. trousers
  2. 5. aid
  3. 6. rubber
  4. 8. chips
  5. 10. holiday
  6. 11. petrol
  7. 13. underground
Down
  1. 1. football
  2. 3. block of flats
  3. 4. head teacher
  4. 7. candy
  5. 9. break
  6. 12. autumn