Social Groups and Human Interaction
Origins of Empires
Structures and Functions of Empires
Decline and Collapse of Empires
Internal instability
External pressures
Economic decline
Independence movements
Human Impacts on Natural Environments
Population Change and Social Effects
Urban Systems and Sustainable Management
Economic Decision-Making and Production
Trade, Fairness and Global Exchange
Development and Standards of Living
Sustainable Use of Earth’s Resources
Historical Perspectives and Changing Worldviews