D. The Great Plains contained very little game to hunt, and people could not live there year round.
Athens government emphasized individuality and responsibility. The Assembly was a Council of 500. It had Direct Democracy and Ostracism.
The politicians were exiled if they had a name on 6000 ostraca.
It was located near both the Tigris and Euphrates rivers, making it an ideal spot for food production that could sustain a large population. The Abbasids built Baghdad from scratch while maintaining the network of roads and trade routes the Persians had established before the Umayyad Dynasty took over.
