500
Historians have identified the basic characteristics of civilizations as
a. vehicles, use of fire, nomadic lifestyle, hunting and gathering, and technology.
b. villages, temples, trade, tools, use of fire, and armies.
c. use of metals, weapons, houses, food, religion, and art.
d. cities, governments, religion, social structure, writing, and art.
d. cities, governments, religion, social structure, writing, and art.