Big Ideas
_______________helped humans stay in one place.
Agriculture
Something left over, like grain after a harvest
surplus
A group of states or nations ruled by one powerful government
Empire
_______________were created to better manage larger civilizations
Governments
An advanced state of cultural and material development in a society
Civilization
A silver metal stronger than bronze
Iron
Four important____________arose in river valleys around the same time.
Civilizations
The power of structure to represent, control, and organize a society
Government
A metal made from copper and tin
Bronze
New ____________made better tools and weapons.
Inventions
A city and surrounding territories governed as one state
City-state
The time before writing was invented
Prehistory
The creation of __________helped early civilizations succeed.
Writing
A ranking of people in a society based upon their role, wealth, or job
Social class
A group of people sharing similar beliefs and behavior
Culture