Guess the Countries [HARD]

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Across
  1. 3. "Oriental Republic of _______"
  2. 7. Small Island off of Arabia
  3. 8. Island nation that used to be owned by the USA
  4. 9. This country's longest border is with Brazil
  5. 11. 9th largest country
  6. 14. Island nation in Europe
  7. 17. Most forgettable nation in Africa
  8. 18. In Europe AND in Asia
  9. 21. Has a land border with Denmark
  10. 22. Population of 21 million
  11. 23. Name is in another language
Down
  1. 1. Had a colonial empire
  2. 2. Southernmost country in Lesser Antilles
  3. 4. Flag with only blue and yellow
  4. 5. Island nation bordering 3 other countries
  5. 6. 7th most populated country
  6. 10. This country is sinking into the ocean
  7. 12. [NOT IN UN] Barely internationally recognized and in Africa
  8. 13. [NOT IN UN] Small territory of New Zealand
  9. 15. Small but densely populated country
  10. 16. World's fattest country*
  11. 19. 10 trillion dollar bill
  12. 20. Currently in a civil war