Su Qin's first success was to persuade the marquis of Yan. In fact, before persuading the English monkey, he had experienced many failures. Later, he went back to study the strategy of governing the country with his master. Later, he slowly summed up his experience in repeated failures and finally came to Guo Yan. He promised Yan that if the six countries could chat together. Together, it will certainly maintain the peace of Yan, so it will be funded, so that he can have money to lobby the other five countries.
Su Qin lobbied for the determination of one country at a time from bitter hanging beam to sealing six countries. After successfully lobbying Yan, he went to Zhao and other vassal States, and made them sign contracts step by step, and finally succeeded in realizing his political power.
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