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Although Cao Cao was already a Yanzhou pastor at this time, he had not moved out of his hometown Dongjun for the time being, so he still stayed in Puyang more often, and now he was naturally no exception.

However, Cao Cao's mood at this time was not very good, since Baiyun City joined the local camp, he felt that everything was not going well. First of all, the Baiyun City fleet entered the lower reaches of the Yellow River, so that more than thirty percent of the main force of himself and Yuan Shao was dragged, and then his two major forces attacked Changyi City, but before the army arrived, Cheng Yu, who was relying on his arm, was kidnapped and taken away, and it was more than the enemy who rushed into the army and robbed it, which was simply a great shame.

Of course, Cao Cao felt more than just humiliation, he also felt a hint of fear. The other party actually has the strength to capture his own military division in a million-strong army, doesn't that mean that the head on his head is not very stable? However, this fear is only a glimmer of fear, because there are also amazing masters around him, and he is not very worried about the assassination of others. The only thing to worry about is the speed of the person who robbed Cheng Yu, it was too fast!

What really bothered Cao Cao now was that the Baiyun City army actually knocked on the defense line of Xuzhou, causing the entire Xuzhou to be in chaos, but there was no movement at all when he attacked Changyi City. Originally, he still wanted to take advantage of Baiyun City's attack on Xuzhou to quickly win Changyi City, but now it seems that this is a bit difficult. And once Baiyun City takes Xuzhou, and then mobilizes other main forces to come over to help defend Changyi City, he really has no hope of breaking the city. If Changyi City is not broken, even if it occupies the entire Shanyang County, it will not make any sense.

"Zhicai, are we sure to capture Changyi County quickly?" Cao Cao was really worried in his heart, so he asked Xi Zhicai. As the number one strategist under Cao Cao, Cao Cao's reliance on Cheng Dù is naturally self-evident.

The expression on Xi Zhicai's face was a little heavy, and he said, "Lord, most wars do not break out with absolute certainty. Because there is already a certainty of absolute victory, it is equivalent to the end of the opponent's inevitable defeat, which shows that the difference in strength between the two sides is huge. If this is the case, there will be no need for war, and it is the best policy to surrender the army without a fight. And now our advantage is not very obvious compared with the defenders of Changyi County, although the number of the opponent's army is small, but it has the convenience of defending the city, unless it can break through the city wall. Otherwise, we will have to rely on the lives of our soldiers to pile up, so that maybe our side can win in the end, but the price paid is too great, and even the potential of the war will be exhausted, and the development will be unfavorable in the later stage. For example, if in the end of the battle of Changyi City, both sides fought and lost. In other words, our narrow victory is equivalent to breaking our limbs, but for Baiyun City, it is only an arm. I believe that the frustration in command at the front is also very clear, so he will transfer a large number of catapults from the rear. As for the result, it will be clear in two days. ”

Cao Cao nodded, sighed, and then said, "Actually, I'm not very optimistic about this battle, others may not know the strength of Baiyun City. But I know it very well. When Yang Tian was first appointed as the general of Zhendong, I had learned about most of the wars in Baiyun City, and the more I learned, the more shocked I became by Baiyun City. This is also one of the reasons why I will help Yuan Shao to defeat Gongsun Zhan first, and then prepare to work together to quickly capture Yanzhou. In fact, everyone saw that Baiyun City's army was strong, but they didn't notice that there was another place in Baiyun City that had an advantage far over others, and that was logistics. This logistics not only refers to the supply of equipment and food, but also a series of things such as construction and manufacturing. Normally, this advantage may not be obvious. But in some protracted wars, it can even play a decisive role in the outcome of the war. Take this war as an example, if the Baiyun City side puts a large number of high-level stonemasons in Changyi City, the probability of our side quickly breaking the city is too low. ”

Speaking of this, Cao Cao paused for a moment, then looked at Xi Zhicai and asked, "Zhicai." If this attack on Changyi County fails, what should our side do next? ”

Xi Zhicai said: "The lord has seen the advantages of Baiyun City just now, and I believe that he has a plan for the future development direction. As the lord said just now, our side is now compared to Baiyun City. The comprehensive strength is indeed inferior, and now we insist on fighting with Baiyun City, and we must be the ones who will suffer. With the idea of our subordinates, no matter whether we capture Changyi County this time or not, we should temporarily avoid Baiyun City in the future. The territory of the Han Dynasty is so vast that we don't necessarily have to expand southward now. In the opinion of our subordinates, it is the north that is most suitable for our development now. Although the northern princes are also very powerful, but the strength is very few, if we can take a large area of land in the northwest and use this as a foundation, we can provide sufficient grain and grass equipment and war horses and other war necessities. War horses in particular, the Northwest has an advantage not found elsewhere. ”

Cao Cao frowned and said, "If we don't take Xuzhou, how can we enter the Endless Sea?" ”

Xi Zhicai said: "The lord's words are wrong, although after occupying Xuzhou, it is very beneficial for us to develop a navy, and having a strong navy will be more helpful for us to enter the endless sea in the future." However, the lord also knows that the waterway is not the only way to enter the Endless Sea, and we can also enter the Endless Sea through the Guò inland level, but in this way, we need to redevelop the water army after we arrive at the Endless Sea, which will take a lot of time. But for now, access to the Endless Sea through the Guò inland level is the best option for us. ”

Cao Cao hurriedly asked, "What does Zhicai mean by this?" ”

Xi Zhicai said: "From the perspective of the lord, will we see the development of the navy in Xuzhou now in Baiyun City?" If it is a head-on confrontation, can our naval army compete with the Baiyun City naval army? ”

As soon as Cao Cao woke up, he immediately understood. Choosing to occupy Xuzhou may be able to develop the naval army first, but Baiyun City must not want to see its naval army grow stronger, so that he will definitely be suppressed by Baiyun City. And if you enter the Endless Sea from the inland level, although you need to rebuild the city and start from scratch, with the strong backing of the mainland, the development of the Endless Sea will not take much time. And entering the Endless Sea from the inland level has one of the biggest benefits, that is, you can avoid the edge of White Cloud City. Because in the direction of the inland level, the Guò teleportation array is used to enter the Endless Sea, and no one knows where the teleportation is located in the Endless Sea, which leaves a longer development time for their side.

After thinking about it carefully, Cao Cao felt that Xi Zhicai's construction was indeed very reasonable, and he secretly made a decision in his heart. (To be continued)