Across
- 5. sickness
- 8. when sheep and cattle destroy an area by eating all the grasses
- 11. an organization of countries that work together
- 12. money and help that one nation gives to another nation
- 13. an African insect that causes "sleeping sickness"
Down
- 1. a terrible shortage of food for a long period of time
- 2. money that one nation lends another
- 3. people with special skills or knowledge
- 4. a deep valley with steep rocky walls
- 5. when deserts grow larger and grasslands become smaller
- 6. a serious disease that has no cure
- 7. takes place when soil is blown away by wind or washed away by rain
- 9. American group that sends its members to help developing countries
- 10. there is not enough food