Who lead what country?

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Across
  1. 4. stalin
  2. 7. Habsburg
  3. 8. churchill
  4. 9. napoleon
  5. 11. Frederick II
  6. 12. hitler
Down
  1. 1. albanese
  2. 2. Tsar Nicholas II
  3. 3. Kim-Jong-Un
  4. 5. mussolini
  5. 6. Otto von Bismarck
  6. 10. jfk