geography
What were one of ancient Chinas natural barriers
Himalayans mountain
what were Zhou innovations?
iron tools,feudalism
What percent of farmland did ancient China have?
About 10%
How long did the Zhou dynasty rule China?
789 years
what are two rivers in ancient China?
Huang and Yangtze
What were ancient Chinas trade roads?
The silk road
What did ancient China trade?
Silk, tea, and porcelain