Movement of humans from one place to another.
Migration
This Mesoamerican culture often practiced human sacrifice.
The Aztec
Water freezing into large glaciers had this effect on the world's oceans.
Lowered them
Living in the arctic, hunting whales and seals.
Inuit
Physical objects left behind by cultures throughout history that tell something about how they lived.
Artifacts
Human societies that frequently move from place to place, often in pursuit of food.
Nomads
With their beards, horses, and germs, this group led to the decline of the Aztec and Incan Empires.
The Spanish
Archaeologists have determined that the First Americans crossed this land bridge between modern-day Alaska and Asias.
Beringia
Growing tobacco in the southeastern United States
Cherokee
All the things that humans beings do, think, believe, eat, where, and more.
Culture
The study of the ancient past through artifacts.
Archaeology
The Mayans created these large buildings, often used as temples.
Step Pyramids
The First Americans made it to the Americas, likely in pursuit of this.
Food (large ice age mammals)
This tribe's "league" contained five major nations, including the Seneca tribe.
Iroquois
Ancient ancestor to modern-day corn that was the staple of ancient American diets.
Maize
The act of bringing water to crops from another water source, usually through ditches or channels.
Irrigation
The Aztec city of Tenochtitlan sat at the location of this country's modern capital city.
This is how long ago the last ice age ended.
About 12,000 years
Hunting buffalo, living a nomadic lifestyle on the Great Plains
Sioux
A government that links together countries or tribes
Federation
A term for a highly-developed society
Civilization
The Incan Empire stretched for hundreds of miles in along the Andes Mountains on this continent.
As the ice age ended, and the Earth's climate warmed, humans were able to do this activity, allowing them to settle in one location.
Farming/agriculture
The people of the Mississippi tribe farmed, but also built these large structures.
Mounds
A narrow waterway between two land masses.
Strait