Therefore, after the Mongol and Song forces conquered Western Xia, Temujin did not hesitate to give up the cities he had acquired, and gave them all to the Song army, taking only all the population and wealth with him. The first recommendation is to go to the eyes and read the book, the whole text is not advertised. However, he also knew that what Yelu Chucai said would never mean that.

Yelu Chucai further explained: "A city is a collection of culture, art, knowledge, and wealth. The wealth that a city can produce is incomparable to tens of thousands of cattle and sheep, if the Great Khan can stop destroying and plundering the city after conquering the city in the future, and choose to occupy it permanently, I will prove that the city has an immeasurable effect, and the reward it gives to the Great Khan will have a hundred times the effect of plunder. ”

When Temujin heard this, he was really a little moved, and said, "Can you tell me what effect the city will have for me?" ”

"Cities can not only protect the people, but they will also be able to concentrate the population, cultivate the land, and produce food, and the yield will be much higher than the income from grazing," Yelu Chucai said. At the same time, taxes could also be collected from the urban population, and a large part of the wealth of the Central Plains came from farming and taxes, and if the Great Khan wanted Mongolia to be rich and strong, he could let the peasants cultivate the land and then collect taxes from them. There is no need to plunder at all, and the city can become a treasure trove that will never be exhausted! ”

Temujin's eyes shone brightly, and like all the other Mongols, Temujin didn't know anything about the city's economy, and he didn't know that cities could be used for other things than being plundered. But if you think about it carefully, Yelu Chucai's words are indeed very reasonable, after capturing the city, more wealth will be plundered, doesn't this just show that the city can indeed create wealth? At this time, Temujin somewhat understood why after he proposed to give up the captured Western Xia cities, the people of the Song Dynasty looked happy, and their hearts couldn't help but regret it greatly.

After a pause, Temujin asked again: "So apart from the city, what is the difference between the Central Plains and Moyuan?" ”

Yelu Chucai said: "There is also knowledge! Knowledge has the power to change everything. He picked up a book and said, "This book is called [Analects], which is a collection of the wisdom of the ancients, and it seems that people today can learn the principles of governing the country and cultivating one's self. He picked up another copy of [Qianjin Fang] and said, "This is a medical book, which records the methods of curing diseases and saving people, and most of my medical skills are learned from reading books." ”

He put the two books down, pointed to the pile of books beside him, and said, "These books contain all kinds of knowledge, and we, and future generations, can learn this knowledge when they see it." Therefore, if the people with knowledge are protected, and then arranged in reasonable positions according to their strengths, and let them run the country for the Great Khan, then the people's will will be stable and the tax will increase! The country will be strong and rich. In the world, you can get it with a bow and arrows on horseback, but you must not use a bow and arrow on horseback to govern! "

These words immediately made Temujin's vision suddenly brighten, and he felt that there was indeed a large part of Yelu Chucai's words. In fact, there are many things that Temujin did not have the depth of Yelu Chucai's insight, but he did do it in this direction, such as allowing Tata Tonga to create the Mongolian script, for example, every time the Mongol army conquered a place, although they had to kill and loot, they all opened up the net for skilled craftsmen, captured them back to Mongolia, and concentrated them for production. This in itself is also an attitude that values knowledge.

And Yelu Chucai's words gave Temujin a new understanding of knowledge. This also made him more convinced of Yelu Chucai's intelligence and character. believes that Yelu Chucai is the kind of talent that is most lacking around him at present.

Temujin also said solemnly: "Yelu Chucai, your vision is farther than all the Mongols, and you know more than any Mongol, so I hope that you can stay by my side and explain these truths to me and all the Mongols, so that they will always remember their responsibilities in their hearts, and at the same time answer my questions and confusions at any time, are you willing?" "

Yelu Chucai took a deep breath, stood up from the carpet, bowed down, and said, "Chucai is willing to serve the Great Khan." ”

Temujin laughed and said, "Very good, very good...... "Very good," he said, and suddenly tilted his head and fell on the woolen carpet. Yelu Chucai was taken aback at first, but immediately saw that Temujin was just asleep, so he put his mind at ease, and then remembered that he had not closed his eyes for three days and three nights, and suddenly he only felt dizzy, his eyelids were low, and his body fell down, and he also lay on the carpet.

Nayaa, who was guarding the doorway, suddenly heard the sound of heavy slumber coming from the tent, no longer laughter and quarrelling. He couldn't help but be overjoyed, and immediately called a guard and said, "Go and tell the Great Khan that the Great Khan and the Lord Utu Saheli have slept with the scriptures." ”

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After reading the letter, the Flame Man put down the letterhead in his hand and looked at Temujin, apparently waiting for Temujin's instructions so that he could ghostwrite a reply for Temujin.

Temujin pondered for a moment, then turned to Yelu Chucai and said, "Long beard, what do you think?" ”

Yelu Chucai nodded and said, "Very good, when I was in the Jin Kingdom, I had often heard of the reputation of this Southern Song Dynasty Yang Concubine, and looking at what this letter said, this person is indeed worthy of his reputation." If you have the chance, you really want to meet him. ”

Tie Yuzhen smiled and said: "What's so difficult about that, the next time I go to the Song Dynasty, I will appoint you as an envoy, and when you arrive in the Song Dynasty, you will naturally be able to see Yang Yan." ”

It turned out that this was a letter written by Yang Yan to Temujin. Yang Yan explained in his letter that the Jin State was strong and that it was necessary to jointly send troops from the Song and Mongolia dynasties to be able to defeat the Jin State, and it was far from enough to rely on the strength of one side alone. However, the Great Song Dynasty still needed two or three years to recover its national strength, and it was temporarily unable to carry out large-scale military operations, so Temujin was asked to be patient for the time being, accumulate strength, and not rush to success. Recklessly dispatched a large army to attack the Kingdom of Jin.

However, Yang Yan believed that during this period, although it could not attack Jin on a large scale, Mongolia could continue to send small groups of men and horses, not for the purpose of attacking cities, and constantly scratching the borders of Jin, so that Jin was tired of coping and consumed Jin's national strength. The Great Song Dynasty would provide weapons and food to Mongolia at a low price to support the Mongol war. Once the Jin army sent a large army to attack Mongolia, it could lure the enemy deep into the steppe, lure the Jin army into the steppe, and then cut off the logistics supply and defeat the Jin army in one fell swoop. At the same time, the Great Song Dynasty would also send troops from the south to contain the Jin State.

After two or three years, the strength of the Great Song Dynasty was restored, and the Mongols had accumulated enough strength, and then the north and south attacked the Jin State at the same time, and the Jin State could be destroyed in one fell swoop.

After hearing the letter, Temujin immediately summoned the generals to discuss whether the opinions expressed in Yang Yan's letter were feasible.

When the Mongolian generals heard this, they all thought that Yang Yan was right. After this battle, the Mongol generals also re-recognized the Jin State, which was indeed a powerful power. Yong Qi is now the emperor of the Jin State after Wanyan Changzhi, he is proficient in the art of war, good at using soldiers, and is by no means as easy to deal with as Wanyan Yungong. Relying on Mongolia's own strength alone, it is indeed difficult to compete with the Jin State.

According to Yang Yan's opinion, scratching the Jin State with a small force of men and horses can just give the Mongolian army the advantage of rapid activity and strong field combat ability, and at the same time can plunder the population of the Jin State and increase the strength of the Mongols, which is indeed a feasible tactic when it is difficult for the Great Song Dynasty to use troops on a large scale. If once the Jin State sends a large army to the prairie, then it can use the method of luring the enemy to go deeper, and then gather and annihilate it.

In fact, as soon as Temujin heard the letter, he agreed very much with Yang Yan's method, and the gathering of the people would be in the hope of unifying everyone's thoughts. Seeing that the generals also said the same, they immediately ordered that the Mongol generals should take turns to lead their troops to attack, scratching the border towns of the Jin State, and each attack should not exceed 3,000 men and horses, and the small force of the Jin State should be wiped out on the spot. If you encounter a large group of Jin troops, don't fight with them and withdraw to the grassland. If the Jin army pursues them, they will immediately notify the nearby camps, concentrate their forces, and gather Longlong to annihilate them.

The generals promised in unison and were about to disperse, when Yelu Chucai said: "It's big and slow." ”

Temujin smiled and said, "Long beard, do you have anything else to say?" ”

Yelu Chucai nodded and said: "Great Khan, since we want to unite with the Song Dynasty to deal with the Jin State, then we should negotiate the conditions in advance, how much help the Song Dynasty can provide us, once we jointly send troops in the future, how the two sides will cooperate, and how the territory of the Jin State should be distributed after the destruction of the Jin State, these things should be negotiated from the beginning." ”

Temujin nodded, Yelü Chucai was not wrong, the last time the coalition army destroyed Western Xia, he suffered a lot of dark losses in this regard, and as a result, he did not get an inch of land, although Temujin Allah gave up, but the two sides had agreed before that whoever captured the city would be gained, which was obviously unfair to the Mongol army who was not good at attacking the city. Now that Temujin also knew the role of the city, he said that he could no longer suffer such a loss. At the same time, before this war, although the Song Dynasty also bought some weapons to Mongolia, but most of them were conventional weapons such as swords, guns, swords, halberds, etc., although the quality was indeed better than that made in Mongolia, but the really powerful ones such as divine arm bows, repeating crossbows, firearms, and artillery were not at all, and Temujin was obviously not very satisfied with this, and he must find a way to buy some from the Song Dynasty.

Therefore, Temujin said: "Long beard, you still think thoughtfully." Then I will send you as an envoy to the Song Dynasty to discuss some matters. But before that, there is one more important thing that I want to discuss with you. ”

Yelu Chucai was a little strange and said, "May I ask the Great Khan, what is the matter?" ”

Temujin said: "I will build a city, our first city in Mongolia on the steppe." You can help me with my counsel, and it is best to build the city there. ”

"What? Building a city? Yelu Chucai hardly believed his ears, and in his opinion, it was quite progress to be able to convince Temujin not to destroy the city, and he could be expected to build a city? And also to build cities on the steppe.

Not only Yelu Chucai, but even the other Mongol generals were stunned by Temujin's whimsy. Although after Yelu Chucai's speech, they all accepted Yelu Chucai's claim to keep the city, but it was only to take possession of the city of Jin after taking it, and no one thought of establishing a city belonging to Mongolia on the steppe. Therefore, the generals were talking about it for a while.

After everyone settled down a little, Temujin said: "Do you remember, Chu Cai once said that one of the functions of the city is to protect the residents, and it can not only protect the residents of the Jin Kingdom, but also protect our Mongolian herdsmen. ”

Yelu Chucai's body was shocked, and he understood the meaning of Temujin with the scriptures, and he couldn't help but admire it in his heart.

Temujin continued: "Have you ever wondered why this time our three-way march into the Jin Kingdom failed, and Wanyan Changzhi's plan was able to be presented, because we had no city, no city to protect our camp, to protect our women and children. If we had a city, we wouldn't have to worry about Yan Changzhi attacking our camp at all. We don't have to go back to our camp at all, but continue to attack the Kingdom of Jin. Moreover, we Mongols are good at riding horses and archery, but we are not good at attacking cities, and in the future, we must learn how to conquer the cities of Jin, so only after we have our own cities, can we practice how to attack cities. ”

After a pause, Temujin said in a firm tone: "Therefore, we in Mongolia must build our own cities. Cities are built by people, and if the Jin country can build it, then we in Mongolia can also build it. ”

After listening to this, the generals suddenly realized that Tie Hao really had good intentions.

After Yelu Chucai received the order, he immediately started active preparations. He was very knowledgeable, and he was also slightly proficient in architecture, and knew that it was better to build a city on the side of mountains and water, so that not only could it ensure a water source, but also a danger to defend. Although the fishing beach is close to the water, the terrain is flat and there is no danger to maintain, so it is not an ideal place to build a city.

After more than a month of surveying and investigation, Yelu Chucai repeatedly discussed with Temujin and the Mongol generals, and finally chose the east of the Buerhan Mountain, by the Tilulian River, as the location of the first city in Mongolia.

After choosing the address, Yelu Chucai immediately began the next step, first determining the scale, layout and style of the city, and then determining the scope of the city wall, and then sending people to the Shangjing area to recruit a group of craftsmen who were proficient in architecture, burning clay bricks, cutting wood into beams, and starting to build the city.