Unique Countries

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Across
  1. 3. Smallest country in terms of area and small population.
  2. 5. Unique for being a small mountainous principality between Spain and France.
  3. 9. Spiritual and administrative center of the Catholic Church, the smallest country.
  4. 10. Unique for being the largest landlocked country in the world.
  5. 11. Unique for measuring national happiness through the Gross National Happiness Index.
Down
  1. 1. Political neutrality and headquarters of many international organizations.
  2. 2. Unique for being the only South American country where English is the official language.
  3. 4. Unique for being an island country in the Indian Ocean with coral atolls.
  4. 6. Countries
  5. 7. Unique for being an African country made up of three main islands.
  6. 8. Unique for being the country with the highest per capita income in the world.