1. Vocabulary

2. In mountainous and hilly regions of the world, to make use of all available land, crops are grown on different levels.

3. A Native American people who built a notable civilization in western South America in the fifteenth and sixteenth centuries. The center of their empire was in present-day Peru.

4. A vast area of grassland and rich soil in south-central South America. Argentina.

5. A stream or river that flows into a larger river

6. A continent in the western hemisphere connected to North America.

7. A large system of mountain ranges located along the Pacific coast of Central and South America

8. Dry plateau region found in southern Argentina.

9. The movement of people from rural areas into cities

10. An ancient Inca fortress city in the Andes northwest of Cuzco, Peru. Its extensive ruins, including elaborate terraces, were discovered in 1911

12. A Spanish conquistador and explorer. He conquered the Inca Empire, naming Peru's capital Lima. Helped discover the Pacific Ocean.

13. An Incan ruler who was kidnapped by Pizarro during his attempt to keep the Spanish from entering his territory. He offered to fill a room with gold and silver in exchange for his release. The ransom was accepted, but the ruler was strangled by the Spanish.

14. The capital city of the Incan Empire, Located in present-day Peru. All the roads in the great Inca road network led through