[案例]苏秦,战国时东周洛阳人。苏秦出山后急于建功立业,用合纵的计谋游说相对弱小的六国对抗强秦。面对秦国的独大,东方诸国的确任何一个都不能独自抵挡秦国,面对这种局势,联合起来合成一线共御强秦,就是一件可以想象的事情。经历了许多曲折,终于形成了燕、赵、韩、魏、齐、楚等六国联合抗秦的局面, [Case] ​​Su Qin, the Eastern Zhou Dynasty Luoyang Warring States period. After being out of mount, Su Qin was in a hurry to build a successful career and lobbied a relatively weak six-nation confrontation to strengthen Qin with his omnipotence strategy. In the face of the dominance of Qin State, indeed, any one of the East countries can not stand alone against the Qin State. In the face of this situation, it is an imaginable thing to jointly combine together a strong frontline of Qin forces. After many twists and turns, it finally formed a united anti-Qin situation of Yan, Zhao, Han, Wei, Qi and Chu,