Crossing the Threshold
- Why was the development of cities an important indication that a civilization was growing and expanding?
- How does the specialization of labor lead to a more complex society?
- Why is an organized government so important to the development of civilizations?
- What part does religion plan in a civilized society?
- Why do social classes develop as a society becomes more complex?
- Why is trade important to the continued growth of a civilization?
- What role does communication play in helping a civilization grow and expand? Why is record keeping important?