Blind killing can only cause the situation in Youbeiping to be unstable, so after discussing with Tian Yu, Tai Shici decided to surrender, so that Xu Wu was not exempt from the war, after all, his own casualties were not small, and the soldiers who surrendered without a fight were the first choice of soldiers. Pen | fun | pavilion www. ｂｉｑｕｇｅ。 ｉｎｆｏ

After Zou Dan surrendered, he was relieved of his military power, and Tai Shici sent dozens of Xuanjia cavalry to escort Zou Dan to Yecheng, Jizhou, which was placed by Xun Yu, who has always been regarded as Jiang Sheng's base camp, and talents were first sent to Jizhou.

The two armies of Tai Shi Ci and Tian Yu rested in Xuwu County for three days, and Tian Yu led his army north and attacked the 50,000 troops of Wangmen with Chu Yan's army.

Tai Shi Ci stayed in Xu Wu County to prevent Gongsun Chan from waving his army north, and at this time, Gongsun Chan was already like a lost dog, especially after the death of the 30,000 army alone, the impact of this incident on Gongsun Chan was too great.

Now there is news from the grassland that Chu Yan's 30,000 iron cavalry left in the grassland will also go south, and Wuhuan King Wupa, who is stationed in Yuyang County, also has a movement to march to Junmi, and Jiang Sheng's subordinates are also preparing to move in the north of Jizhou.

Yan Gang and Gongsun Xu, who defended Junmi County, were like frightened birds, closed the city gates, and mobilized the people of the city to help defend the city.

Junmi County is also the largest county in the south of the Great Wall, and the reserves are still abundant, but after all, it is already a lonely city.

Although Wang Men said that the 50,000 army led by Wang Men had not moved, Chu Yan had no specific actions, and it seemed that he was afraid of being attacked by the enemy.

At the beginning of October, Tian Yu's 20,000 cavalry appeared in the southeast direction of Wangmen's troops, Wupa's soldiers and horses advanced to twenty miles northeast of Junmi County, and Chu Yan transferred 10,000 cavalry from the grassland to cross the Great Wall.

After the winter, the grassland began to live a hard life again, Chu Yan needed to leave enough soldiers and horses to control the situation, so 10,000 people came, but Gao Ran of Bohai led an army of 20,000 into Youbeiping County, Gongsun Chan died to protect the soil, and did not dare to send a soldier to the north to rescue, Gao Ran was able to contain Gongsun Zhan.

Xi Zhicai combed through the strategic intelligence of the northern defense area and found that Liu Yu did not dare to act at all, so he suggested that Yu Ban lead the army to reach the mound and form a situation of encirclement.

Yu Ban didn't say a word, he ordered all the soldiers and horses to set off, he took advantage of the good weather now, and hurried into the battle position, if he encountered wind and snow weather, I was afraid that the fighter would be delayed.

Youzhou has always had a tradition that there is no war in winter. Because of the shortage of materials, in the event of wind and snow, the materials can't keep up, and there is no need to fight, and he will be in chaos, so Liu Yu is dormant.

Jiang Sheng's soldiers and horses don't care about these at all, because they have the rich Jizhou as backup. Jiang Sheng knew the importance of grain and grass materials in this era, so he set the rules that when sending troops to fight, he must first make a perfect supply and transportation plan.

In this battle of the Northern Expedition to Beiping County, Xi Zhicai fully considered the problem of supply and transportation, and the art of war: the soldiers and horses went first before the grain and grass were moved. And the drama is that the soldiers and horses and the grain and grass are dispatched at the same time.

Xi Zhicai thought that the grain and grass were for the purpose of guaranteeing the war, so he let the army escort the grain and grass forward, although the speed of travel was slow, but the safety factor was very high.

If the enemy comes to destroy the grain and grass, it will directly be the army to fight, so if the opponent is not ready for a decisive battle, he generally does not dare to touch their food and grass thoughts.

The main army escorted the grain and grass to march slowly, and the consumption was also very amazing, but Xi Zhicai dared to arrange it like this, there was a secret weapon, and Jiang Sheng asked Yang Feng to send the treasure to Yuyang, which was the key to promoting Xi Zhicai's idea.

After the purging of the Yellow Turban in Qingzhou, the production of agricultural and sideline industries was still in a state of suspension, due to the shortage of goods, Jiang Sheng had to transfer grain and grass materials from Jizhou to supplement Qingzhou, but the efficiency of transporting grain was too low.

Jiang Sheng inquired about the details and found that the problem was that the carrying capacity of the grain cart was too small, although the bronze spoked round wheel car had been popularized, but it was two-wheeled, and part of the weight of the heavy objects on the car was pressed on the horse pulling the cart, so the daily transportation distance was very short, Jiang Sheng imitated the Western four-wheeled carriage, and the grain carriage was modified into a four-wheeled one, and the wheels were changed to iron material.

At the end of the Eastern Han Dynasty, the metal juice casting technology was already very mature, and Jiang Sheng asked the blacksmith workshop to make molds for iron wheels and began to mass-produce iron wheels. Iron is stainless steel, more strong, train wheels are steel products with special technology, and the iron wheels made now are naturally not as good as the train wheels of later generations, but they are much more high-end than bronze wheels.

The original wooden carriage has also been changed to steel, so it will not fall apart or break during transportation, and the transportation capacity has been greatly enhanced.

The four-wheeled carriage moves more smoothly and labor-saving, and the horse pulling the cart no longer has to carry the weight of the goods on the cart, and only needs to pull the cart away, and the transportation capacity is doubled.

According to Jiang Sheng's description of the brakes, Zhang Shu made a device similar to the brake pads of later automobiles, which was equipped on the carriage.

At first, Jiang Sheng only thought about increasing the transportation volume and transportation speed, and did not consider anything else.

In the process of transportation, some lazy grain transporters took advantage of the officer's inattention, climbed onto the grain cart, and only commanded the horses pulling the cart to walk, and pulled the brakes when necessary, so that the people and horses were not tired, and they ran fast.

The well-intentioned official reported this to Jiang Sheng, and at first thought that Jiang Sheng was going to punish these lazy people, but he didn't expect Jiang Sheng to issue an order and make everyone follow suit.

The car is sturdy, not afraid of bumps, and in places with good road conditions, the horse is simply urged to run fast, and the transportation speed has been revolutionized.

Jizhou's opera Zhicai applied this kind of four-wheeled carriage, so he dared to let the grain and grass go out with the army at the same time, the limitation is that such a transportation revolution is not suitable for mountainous areas and soft road conditions.

The terrain on the road from Jizhou to Tuyuan is flat, except for the vicinity of Shanhaiguan, it is a smooth road, which is just suitable for entering Tuyuan.

The preparations for the final decisive battle with Gongsun Chan have begun, and all the soldiers and horses around Junmi have been assembled, and Chu Yan is determined to launch a tough battle against Junmi, but the messenger sent by Xi Zhicai stops Chu Yan.

Now although the morale of the Junmi defenders and the team of the royal gate is not high, the strength is still relatively strong, if the war is forced, the losses will definitely be serious, and the gains outweigh the losses, so Xi Zhicai let the soldiers and horses from all walks of life besiege but not attack, and want to trap these teams of Gongsun Zhan.

Yan Gang and Gongsun Xu didn't dare to move, Wangmen had a lot of soldiers, and they still wanted to make some moves, but they were beaten back as soon as they moved, and after Wangmen tried a few times, they didn't dare to act rashly.

After more than half a month, the materials mobilized by Xi Zhicai from Yuyang County were replenished to the troops in time, and the supply of the Wangmen army began to be in short supply.

Wang Men also saw that Gongsun Chan was now at the end of his rope, and he was considering whether to continue to make senseless sacrifices for Gongsun Chan.