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100

Useful Things

Resources

100

Scientists who study the past by analyzing artifacts.

Archaeologists

100
Objects created by people

Artifacts

100

Very old

Ancient

100

Important stories people pass down

Oral histories

200

Scientists who study the earth

Geologists

200

Gone

Extinct

200

Flat land

Plains

200

Land, Water, Climate

Environment

200
Changed to fit new conditions

Adapted

300

Spear Throwers

Atlatls

300

Typical weather conditions

Climate

300

Buffalo

Bison

300

Group hunts

Communal 

300

The flat land region west of the Mississippi River and east of the Rocky Mountains

Great Plains

400

Chances

Opportunities

400

Sickness

Disease

400

Rapid spread of disease

Epidemic

400

As long as anyone could remember

Time Immemorial

400

Friends

Allies