Nigeria-Themed Crossword Puzzle Prompt

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Across
  1. 2. State rich in oil and gas
  2. 5. President before Umaru Musa Yar'Adua
  3. 8. Major dam in Nigeria
  4. 13. Major ethnic group in southwestern Nigeria
  5. 14. State famous for its sacred grove
  6. 16. Traditional king title
  7. 17. State named after a river
  8. 18. Ethnic group mostly in southeastern Nigeria
  9. 21. Color on the Nigerian flag symbolizing agriculture
  10. 23. Northern state known for its textile industry
  11. 25. Color on the Nigerian flag symbolizing peace
  12. 26. Ethnic group mainly in northern Nigeria
  13. 28. Popular Nigerian rice dish
Down
  1. 1. Gained on October 1, 1960
  2. 3. Form of government practiced in Nigeria
  3. 4. Nigeria's most populous city
  4. 6. Spicy skewered meat
  5. 7. Current president of Nigeria (2025)
  6. 9. Famous rock in Niger State
  7. 10. Festival celebrated in Lagos
  8. 11. Ancient city known for its dye pits
  9. 12. Coal city in southeastern Nigeria
  10. 15. Forest linked to insurgent activity
  11. 19. Northeastern state affected by insurgency
  12. 20. Kingdom famous for its bronze artworks
  13. 22. Currency of Nigeria
  14. 24. Former president of Nigeria
  15. 27. Capital city of Nigeria
  16. 29. Rock tourist attraction in Abeokuta