China Card 9

1. http://en.wikipedia.org/wiki/Spring_and_Autumn_Period
2. Ebrey, Patricia Buckley
3. Cambridge University Press
4. The Spring and Autumn period ended the feudal system in China as the control of the Zhou Dynasty came to an end. This resulted in the warring states period. Sun Tzu was the general who aided in the military reforms that lead to this.
5. Not sure
6. It's Wikipedia