WW2 crossword

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Across
  1. 4. First Japanese attack on USA
  2. 5. No conflict on the French-German border
  3. 7. French defensive line
  4. 10. France, England, USA
Down
  1. 1. First Atomic Bomb
  2. 2. Mass murder of Jews
  3. 3. German Airforce
  4. 6. Germany, Italy, Japan
  5. 8. When allies attack French border from beach
  6. 9. lightning War