Puzzle

123456789101112131415161718
Across
  1. 1. The amount of money one is working for
  2. 4. Caused by the chopping of trees and soil-erosion
  3. 7. Transportation of goods to another country
  4. 9. Consequence of the one-child policy
  5. 10. Fast-developing country in Asia
  6. 12. The Asian revolution started here
  7. 13. Free-market area in China
  8. 17. Machines take over the work of people
  9. 18. Kind of economy in communist countries
Down
  1. 2. The exchange of goods, ideas and people
  2. 3. Factory of the world
  3. 5. Differences in altitude
  4. 6. Movement from the countryside to the cities
  5. 8. ... factor: reason to go to a place
  6. 11. Main exportproduct from Asia
  7. 14. Brands / Corporation working all over the planet
  8. 15. Combination of smoke and fog
  9. 16. Other word for ricefield
  10. 18. ... factor: reason to leave a place