Sources
| Source Title | Image |
| World Civilizations: The Global Experience, AP Edition (6th edition) |  |
| 2012 AP World History Princton Review |  |
| Cell 4 | Cell 5 |
| Source Title | Image |
| World Civilizations: The Global Experience, AP Edition (6th edition) | |
| 2012 AP World History Princton Review | |
| Cell 4 | Cell 5 |