1 Social Groups and Human Interaction

2 Economic Decision-Making and Production

3 States, Empires and Development

5 Decline and Collapse of Empires

6 Population Change and Social Effects

7 Sustainable Use of Earth’s Resources

8 Human Impacts on Natural Environments

9 Urban Systems and Sustainable Management

10 Trade, Fairness and Global Exchange

11 Development and Standards of Living

12 Historical Perspectives and Changing Worldviews