"Well, in that case, it's better to be careful."
Gao Jie ordered to Li Chengdong: "First surround the city of Kaifeng, and then use the method taught by your majesty to attack the acupoints."
"The general will obey his orders" Li Chengdong clasped his fists and accepted the order, then walked out of the Chinese army's tent.
Despite Gao Jie's confident performance in front of Li Chengdong, in fact he didn't have much knowledge about this improved version of acupoint attack.
But after all, this was a method taught by His Majesty himself before he left Nanjing, and he was told to use it when attacking the city.
It would be unjustifiable if we don’t even try to attack a tough battle like Kaifeng.
Just for the sake of Your Majesty's face, Gao Jie must try it once.
It would be best if the city wall could be collapsed.
Even if it has no effect, Your Majesty can't blame him.
But here, Gao Jie's 50,000 troops surrounded Kaifeng City, and not even a mouse could escape.
Jin Yuhe also made up his mind to stick to the city and not respond no matter how provocative the soldiers of Gao Jie's department were.
No wonder.
After all, the strength of Gao Jie's army must be higher than that of Jin Yuhe and the Green Camp soldiers.
If they go out to fight in the city, Jin Yu and Zi Zi have no chance of winning.
With the fortified city at its back, it still has the strength to fight.
Jin Yuhe was actually holding back his anger this time when he led his troops to reinforce Kaifeng.
Luo Xiujin, the governor of Henan, issued strict orders to him, ordering him to ensure that Kaifeng was not lost.
This order seems to be faultless, but in fact it is extremely cruel.
There are currently two armies stationed in Henan, one is the Huaiqing Mansion Green Camp Army led by Jin Yuhe, and the other is the Weihui Mansion Green Camp Army led by Zu Kefa.
Luo Xiujin's note only said that he asked Jin Yuhe to ensure that the seal was not lost, but did not mention Zukefa's responsibility.
He clearly wanted Jin Yuhe to top the vat.
In this regard, although Jin Yuhe was angry, he could only swallow his anger.
From Luo Xiujin's attitude, he could tell that Zukefa would not reinforce him.
Whether Kaifeng could be defended or not depended entirely on him.
In this case, Jin Yuhe must act steadily and delay it as long as possible.
There is enough food in the city of Kaifeng for half a year.
When the main force of the Eight Banners has wiped out Shaanxi's Li Zicheng's army and returns to the court, the siege of Kaifeng will be easily solved.
Don't be brave at times like this.
It is impossible for only 30,000 green battalion troops to defend the four walls of Kaifeng City.
Therefore, Jin Yuhe ordered the recruitment of strong men throughout the city to help defend the city.
It is said that recruitment is actually about recruiting strong men.
All men above sixteen and below fifty are included.
Although Kaifeng has experienced several catastrophes, its foundation is still there after all, and it is still easy to capture 40,000 to 50,000 strong men.
As a result, the number of garrison troops on each city wall was around 20,000, which was barely enough.
Jin Yuhe moved all the city defense equipment in the treasury to the top of the city, and wished he could move the bed into the tower as well.
Acting cautiously is his usual style, and there is no room for any mistakes in this Kaifeng defense battle.
Jin Yuhe was very nervous at first, but after he discovered that Gao Jie's troops began to dig tunnels, he could finally let go.
Hole attack is one of the siege tactics, but it is not commonly used.
In the final analysis, it is because the effort and reward of acupoint attack are not proportional.
Generally speaking, it takes at least a month to dig a tunnel.
During such a long time, the defenders can do many things to target the siege party digging the tunnel.
Once there is a problem in a certain link, the result will be a failure.
The fault tolerance rate of this tactic is too low.
Jinyu and Xindao Gaojie wanted to use acupuncture points to attack.
It seemed that they felt sorry for their elite soldiers and did not want these direct soldiers to die in vain in the siege.
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But no one will die in a war.
The more he thinks this way, the greater the price he will ultimately pay.
Of course, Jin Yuhe was happy to see Gao Jie make this choice.
However, he was still prepared for the acupoint attack in advance to ensure nothing went wrong.
The purpose of acupoint attack is nothing more than two.
One is to transport a large number of troops into the city through tunnels.
In this case, the tunnel is usually dug directly against the city wall.
Because to seize the city gate, sufficient troops must be invested, and more than one tunnel must be dug.
The second purpose is to dig down the foundation of the city wall.
In this case, tunnels are often dug towards the corners of the city.
One advantage of doing this is that you don't need to dig many strips, one is enough.
When the soldiers dig under the corner of the city, they only need to continue digging deeper.
All the soil under the city foundation was removed, and then hard wooden stakes were used to top it.
Finally, all the soldiers evacuated from the tunnel and burned the wooden piles in the tunnel.
The gap that loses its load-bearing capacity will quickly collapse, and the city wall will be excavated.
Therefore, it is often possible to roughly judge from the direction in which the siege party digs the tunnel whether they want to dig down the city wall or transport troops into the city through the tunnel.
Although Jin Yuhe has never encountered acupuncture attacks in actual combat, he also understands these simple judgment methods.
But what surprised him was that the Ming army not only piled up mounds of earth in the corner opposite the city wall, but also began to dig tunnels in the opposite corner of the city wall.
Jin Yuhe roughly counted and found that the Ming army was digging about twelve tunnels at the same time.
What exactly does Gao Jie want to do?
Since they couldn't figure out what Gao Jie wanted to do, Jin Yu and his men buried dozens of water vats along the city wall.
Each water vat was covered with cowhide and someone was sent to monitor it.
Once the Ming army digs tunnels and makes noise, it will be heard by the monitoring soldiers.
Of course, the soldiers in the water tank could only hear the digging sound clearly when the Ming army was very close to the city wall, but this was enough.
The Ming army still had a lot of work to do after digging the tunnel under the city wall, leaving plenty of time for Jin Yuhe.
He specially ordered people to dig a canal along the inside of the city wall, and built a large pond under each city wall.
Whether Gao Jie wanted to transport troops into the city or dig down the city foundation, it would take a lot of time.
He only needed to time it right and pour the water from the pond into the hole to drown the Ming army in the tunnel.
"If you work harder, it will be better soon."
The soldiers digging the tunnel outside the east gate encouraged each other and transported a coffin filled with gunpowder through the narrow entrance of the tunnel.
The tunnel was not wide and could only accommodate a coffin.
In other words, the size of the interior of the tunnel was completely dug according to the size of the coffin.
Because of the cover of the mounds, the soldiers did not have to worry about the Qing army in Kaifeng City shooting arrows from the top of the city.
The best way to deal with cave attacks is to send troops out of the city to seal the mounds and suffocate the siege soldiers who are digging tunnels to death.
But Jin Yuhe was first worried that Gao Jie would lead his army to storm the city gates, so he ordered people to seal all the four city gates with huge rocks.
In this way, it is naturally impossible for the Qing army to leave the city and block the mound.
As for the flooded tunnels, they don't have to worry.
Because the commander-in-chief said that after filling the coffin under the city foundation, he would evacuate immediately.
He only needed to ensure that the area where the coffin was placed was sealed and that there would be no problems with the gunpowder fuse.
In such a short time, the soldiers defending the city had no time to divert water to flood the tunnels
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