School of Diplomacy

The School of Diplomacy (simplified Chinese: ; traditional Chinese: 縱橫家; pinyin: Zōng héng Jiā), or the School of Vertical and Horizontal Alliances was a political and diplomatic clique during the Warring States period of Chinese history (476-220 BCE). According to the Book of Han, the school was one of the Nine Schools of Thought (Chinese: 九流; pinyin: Jiǔ Liú). Originated by Guiguzi, the School of Diplomacy's main adherents were Gongsun Yan [zh], Su Qin, Zhang Yi (Su's disciple), Gan Mao [zh], Sima Cuo [zh], Yue Yi, Fan Sui [zh], Cai Ze [zh], Zou Ji [zh], Mao Sui, Li Yiji and Kuai Che [zh] as detailed in the Annals of the Warring States.