Among the Twelve Deceptive Stratagems recorded in The Art of War · Initial Estimations, Sun Tzu put forward a lethal psychological warfare tactic: Divide the united enemy (親而離之).
This article traces the anti‑Qin uprising after Chen Sheng. Xiang Liang and Xiang Yu rallied the “Eight Thousand Sons of Wu.” Liu Bang emerged as a rebel leader, joined by Zhang Liang. They restored King Huai II of Chu to unify forces. Though Xiang Liang fell, Xiang Yu and Liu Bang rose to lead…