A bunch of -Ini words and like 20 other random things I guess

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Across
  1. 2. population of California (in millions)
  2. 4. second of two generals-turned-presidents
  3. 7. Famous fascist
  4. 9. Zelenskyy's profession before he became Ukraine's president
  5. 12. author of The Grapes of Wrath
  6. 13. famous scientific historian who shares a name with the best teacher
  7. 16. type of Russian soup
  8. 17. moon discovered by Galileo
  9. 18. moon discovered by Galileo
  10. 23. Luxury car brand
  11. 25. British political party expected to dominate this year's elections
  12. 26. moon discovered by Galileo
  13. 27. Kicker who scored more than half of the Chiefs' points in the Super Bowl
Down
  1. 1. _______: "Never go in against a Sicilian when death is on the line!"
  2. 3. the best teacher
  3. 5. famous nihilist
  4. 6. this movie might win Best Picture
  5. 8. bestselling author during the '90s (NOT Stephen King)
  6. 10. this movie will probably win Best Picture
  7. 11. Variety of stuffed pasta
  8. 14. author of The Sun Also Rises
  9. 15. first of two generals-turned-presidents
  10. 19. age gap (in years) between the French prime minister and his wife
  11. 20. moon discovered by Galileo
  12. 21. author of As I Lay Dying
  13. 22. superhero movie that came out on April Fools' Day
  14. 24. Mrs. Kuhn's favorite sport