Urban Geogrpahy

- have a surplus of food 
-social stratification (a leadership class)

5 hearths of urbanization 
- Mesopotamia, 3500 BCE
-Nile River Valley, 3200 BCE
- Indus River Valley, 2200 BCE
- Huang He and Wei River Valleys, 1500 BCE
- Mesoamerica, 200 BCE

Theocratic centers- where rulers were deemed to have divine authority and were god-kings 

Diffusion of Urbanization 
1) The Greek Cities 
- by 500 BCE, Greeks were highly urbanized
- Network of more then 500 cities and towns
- On the mainland and islands
- each city had an acropolis and an agora 

2) The Roam Cities 
-A system of cities and small towns, linked together with hundreds of miles of roads and sea routes 
- sites of roman cities were typically used for trade 
- A roman cities forum combined the acropolis and the agora into one space
- Roman cities had extreme wealth and extreme poverty (between 1/3 and 2/3's of the empires population was enslaved)