| A | B |
| subcontinent | a large land area isolated from the rest of a continent |
| tributary | a smaller river that feeds into a larger river |
| inscription | a written message etched into a long-lasting surface |
| legend | a story handed down from earlier times to explain the past |
| ancestor | a deceased relative who lived longer ago than a grandparent |
| oracle | a person who gives wise advice |
| pictograph | a drawing or symbol used to represent a word in the Chinese language |
| Middle America | The region of North America where southern Mexico,Belize, Guatemala, Honduras, El Salvador, Nicaragua, Costa Rica, and Panama are located |
| protein | a substance in food that helps build the body and keeps it healthy |
| intercropping | planting different crops together |
| reclaim | in archaeology, taken back by the surrounding environment,as humanmade structures can be |
| Mohenjo-Daro | well planned city with straight streets, two-story houses, and a sewer system |
| Olmec | the first civilization of Middle America responsible for intercropping and unique building and carving methods |
| seals | used by Indus Valley merchants to identify their goods and crafts. |
| Yu the Great | legendary ruler of China said to have saved China from flood |
| Xia Dynasty | The first dynasty of China |
| Shang Dynasty | The second dynasty of China; used strong metal weapons and chariots to control the country |
| Oracle Bones | used by the early Chinese to seek advice from thier ancestors and gods |
| Mayan | a civilization in Middle America responsible for methods for building pyramids, a calendar with 365 days, a number system based on the number 20 |
| jaguar | important religious symbol for the people in Middle America |
| Huang He and Chang Jiang | rivers which flow through China |