CH. 10
1. fjord
2. geyser
3. entrepot
4. welfare state
5. invasive species
CH. 11
6. dike
7. polder
8. avalanche
9. Industrial Revolution
10. communism
11. Cold War
12. Kyoto Protocol
CH. 12
13. massif
14. tungsten
15. city-state
16. Renaissance
CH. 13
17. karst
18. ethnic cleansing
CH. 14
19. chernozem
20. czar
21. black market
22. privatization