The Super Power in 5th Century BC China III / The Geographical Factors in Ancient Warfare（Warring States 7）
Volume 2 - The Rise and Decline of the Wei State 3
Previous Chapter ：The Super Power in 5th Century BC China II（The Rise and Decline of the Wei魏 State II）
Let's first look at the map of the State of Wei魏（403-225BC）:
