Country's Crossword

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Across
  1. 1. National park that's also a UNESCO site and biosphere reserve
  2. 3. Type of economy left by colonizers
  3. 4. River estuary near Buenos Aires
  4. 6. Semi-arid region south of Sahara
  5. 7. Border defined by the 49th parallel
  6. 9. U.S. state with the longest coastline
  7. 10. Reef along Central American coast
  8. 11. Rift with fossils and volcanoes
  9. 12. Land deal that doubled U.S. size
  10. 14. Famous canal country
  11. 15. Major mountain range
  12. 17. Conference that divided Africa
  13. 18. key export crop historically
Down
  1. 2. Treaty that split continent
  2. 4. Flat, grain-producing region
  3. 5. Natural disaster zone affecting farming
  4. 6. Large geological area rich in minerals
  5. 8. Region impacting claim to Northwest Passage
  6. 13. Rainforest under threat
  7. 16. Officially bilingual province