Systems (physical and human) - What is a system? How do systems work? How do humans interact with the physical environment? How do humans create systems?
Specialisation - How did the cities organise themselves to allow specialisation to take place?
Innovation - What innovations were created throughout the Bronze Age? How were the innovations created?
Civilization - Why did humans become more settled in the Bronze Age?
Orientation in Time and Space - How have cities developed through the Bronze Age and how does this vary across different locations?
Civilizations (human systems) develop through innovation and specialisation in response to natural systems.