This article interprets Sun Tzu’s idea of building favorable strategic momentum via the Battle of Changping. Qin secured victory through diplomacy, logistics and psychological tricks before Bai Qi’s final strike, proving momentum shapes decisive wins.
When Cao Cao escorted Emperor Xian of Han to Xuchang in 196 AD and established a new imperial court under his control, he achieved more than a military victory—he secured a decisive moral and political advantage. By acting in the name of the Son of Heaven, Cao Cao positioned himself as the defender of…