The Americas

1. used for ritual ceremonies and money
4. the first city ion the continent
6. A religious system involving the worship of multiple gods
10. Natural phenomenon responsible for collapse of Warri civilization
11. The practice of farming allowed for surplus food and the rise of large urban societies
14. A social structure where groups are ranked one above another by status or authority
15. Famous for building huge basalt sculptures

2. An independent political unit that includes a central city
3. The region along the mountain spine of South America where the Inca Empire was established.
5. The region including central Mexico and Central America where the Maya and Aztec civilizations flourished.
7. An engineering technique using human-made canals to bring water to dry land
8. A Spanish soldier-explorer, such as Hernán Cortés or Francisco Pizarro, who sought riches and power through the conquest of American empires.
9. The religious belief that there is only one God
12. Farming An agricultural innovation where flat "steps" are cut into mountain slopes to create farmable land, used extensively by the Inca
13. Goods or money paid by peoples