- Words: 826
- Length: 2 Pages
- Topic: History - Asian
- Paper #: 62836011
We also know that they engaged in robust trade, both domestic and foreign and even over the Hindu Kush and into the Persian Gulf areas. Between 1800-1700 BC, though, most of the cities were abandoned, perhaps from environmental reasons (deforestation, etc.) and perhaps from invasion from Central Asia (Bentley, et.al., pp. 49-50).
By 3000 BCE, Ancient China had developed larger regional states and political/social units called dynasties. Each succeding dynasty