2a. What is a civilization?2b. What are the basic needs of people? Do they change as a group grows larger?2c. As a population grows, how do systems change?2d. How is the power structure different in small groups v. larger groups? 2e. How are systems of decision-making and meeting needs of people similar and different in egalitarin societies v. a complex society? How does fairness work?2f. What structures are common to complex societies?2g. How do civilizations maintain order and meet needs of citizens?2h. Is it possible to have a large population and an egalitarian society? Why didn't hunter/gatherer groups have vertical heirarchies?2i. What would you do to maintain order, make decisions, and meet the needs of a small group? What about a large group?