Meso America, Persia, and China.
| 225935413 | Economics | Persia centralized coinage under Darius | 0 | |
| 225935414 | Social Structures | Huge gap in Rich and poor during Achaenemid (Persia) | 1 | |
| 225935415 | Interaction of Culture | Cyrus the Great (Persia) let people keep their social structures/religion etc. | 2 | |
| 225935416 | Humans & Environment | Persia underground irrigation | 3 | |
| 225935417 | State Building, Expansion, and Conflict | Persia split up into 23 satrapies to make manageable. | 4 | |
| 225935418 | State Building, Expansion, and Conflict | Cambyses expands into Egypt to have access to the river. | 5 | |
| 227072312 | Economics | Mesoamerica traded jade | 6 | |
| 227072313 | Economics | Han China set a standard currency | 7 | |
| 227072314 | Humans & Environment | Han China cultivated silk worms | 8 | |
| 227072315 | Interaction of Culture | Meso America Human Sacrifice | 9 | |
| 227072316 | Interaction of Culture | Han China Patriarchy | 10 | |
| 227072317 | Economics | Persia Darius regulated tax levies | 11 | |
| 227072318 | Interaction of Culture | Persia encouraged education | 12 | |
| 227072319 | Interaction of Culture | Han China discouraged education to prepare for government service | 13 | |
| 227072320 | State Building, Expansion, and Conflict | The Olmec cc's may have been destroyed by civil conflicts | 14 | |
| 227072321 | State Building Expansion and Conflict | The Maya kindgoms fought constantly | 15 | |
| 227072322 | State Building Expansion and Conflict | China Centralized their government | 16 | |
| 227072323 | State building, Expansion, and Conflict | Han China conquered Korea and Vietnam | 17 |

