BB Unit 1, Chapter 2

the public works system that includes roads, bridges, irrigation, public transportation, etc.

• textiles

• infrastructure

• competition

• specialize

demand by two or more groups for a resource that is in short supply

• competition

• surplus

• cultivate

• domesticate

cloth or fabric

• domesticate

• cultivate

• textiles

• infrastructure

to adapt and use for agricultural or other purposes

• domesticate

• specialize

• cultivate

• barter

to trade goods without using money

• specialize

• textiles

• cultivate

• barter

to develop a specific set of skills for a single purpose

• specialize

• textiles

• surplus

• competition

to help grow

• domesticate

• competition

• surplus

• cultivate

an extra amount beyond what is needed

• textiles

• competition

• surplus

• specialize

The first permanent settlements were formed in

• Africa

• New York

• Mesopotamia

• Tigris River

Wild grains were most likely to grow by

• sand

• deserts

• rivers

• forests