In the following three years, Zhang Yan used this method to appear in every corner of the Black Mountain suddenly and constantly in Yuan Shao's control area by surprise attacks and distribution goods. In the beginning, all the cities and towns were still on guard. But later on, it was hard to defend against the distribution of supplies. After several attempts, the poor people found that there must be food for them as long as Zhang Yan's troops arrived. Therefore, without Zhang Yan sending people into the city to collaborate with the outside, these poor people took the initiative to cooperate with him to attack the city. What's more, some people even openly robbed the city in the disguise of Zhang Yan's army. In the end, the Yan army explained it as if they had to clarify something. Under t
