Across
- 4. The practice of farming and growing crops, which allowed early people to stay in one place.
- 6. Step-like ledges cut into mountains by the Inca to create flat land for farming.
- 8. A person who moves from place to place in search of food and resources.
Down
- 1. A Spanish explorer and soldier who claimed lands in the Americas for Spain.
- 2. Bridge: The strip of land (Beringia) that early humans crossed to get from Asia to North America.
- 3. A highly organized society with its own culture, government, and social structure.
- 5. The ancient civilization in Mesoamerica known for its advanced calendar and writing system.
- 7. "Floating gardens" built by the Aztecs to grow food in swampy lake beds.
