World War 2 questions

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Across
  1. 2. The V-2 rocket was the world's first ____ missile
  2. 4. Final offensive push for the Nazis happened in this forest
  3. 6. 82 day assault in the Pacific theatre that killed 100,000 Japanese soldiers
  4. 7. This Nation bombed Pearl Harbor
  5. 8. Mass genocide of 6 million Jews
  6. 10. The Treaty of Versailles left this nation unhappy
Down
  1. 1. Location of the first atomic bomb drop
  2. 3. The Messerschmitt 262 had the first ____ powered engine
  3. 5. PPSh-41 Russian Nickname
  4. 9. Most feared and technologically advanced tank of its time