Historical Periodization:
1. Technical and Environmental Transformations (to 600 BCE)

2. Organization and Reorganization of Human Societies: (600 BCE-600 CE) 

3. Regional and Interregional Interactions: (600 CE-1450 CE)

4. Global Interactions: (1450 CE-1750 CE) 

5. Industrialization and Global Integration: (1750 CE-1900 CE)
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6. Accelerating Global Change and Realignments: (1900 CE-Present)

Location                                     
She always gets things done. As one of the only Republicans in New York City, she realized pretty early on that you had to reach across the aisle."
 - Former Gov. George Pataki