Examples of successful cooperation are: at the end of the Qin Dynasty, the peasant uprising army cooperated with the remnants of the six countries to destroy Qin; During the Three Kingdoms period, Liu Bei and Sun Quan cooperated against Cao in Chibi. In the era of Wang Mang, two rebel forces, Greenwood and Xinlin, cooperated to overthrow Wang Mang. In the Five Dynasties, Shi Jingtang cooperated with Qidan to destroy the Tang Dynasty; In the Northern Song Dynasty, Jin cooperated to destroy Liao; In the Southern Song Dynasty, Mongolia cooperated to destroy gold; At the end of Ming Dynasty, Manchu and Mongolian ministries cooperated to destroy Ming Dynasty; In modern history, China * *.

Examples of the failure of cooperation include: the failure of vertical cooperation between the six countries against Qin in the Warring States Period, the failure of cooperation between Shu and Wu against Wei and Jin forces in the late Three Kingdoms Period, the failure of cooperation between Wang and Dou Jiande in the late Sui Dynasty, the failure of cooperation between North Korea and Baekje against Tang Jun in the late Tang Dynasty, the failure of cooperation between Huang Chao and Wang Xianzhi against Tang Dynasty, the failure of cooperation between Northern Han and Qidan against Chai Rong in the late Zhou Dynasty in the Five Dynasties, the failure of cooperation between Northern Han and Qidan against Song Dynasty, the failure of the Song Dynasty to destroy Northern Han, the failure of Qidan reinforcements and the failure of various insurgents in the Five Dynasties.