春秋战国时期礼崩乐坏,天下大乱,春秋五霸、战国七雄相继而起。至战国中后期局势渐为明朗,东方的齐国、西方的秦国是当时最有可能统一中国的两个大国。历史最终选择秦国来完成统一大业,其原因当然是多方面的,但秦国成功运用间谍战是一个很重要的因素。 Spring and autumn and the Warring States Period collapse collapse music, the world chaos, Spring and Autumn Five Pa, Warring States seven male one after another. The situation in the mid-to-late Warring States period became more clear. In the east, Qi State and the Qin State in the West were the two great powers that were most likely to unify China at the time. Of course, the reasons for the final choice of Qin to complete its great cause of history are many. However, the successful application of spy war by Qin states is a very important factor.