Of course, Cao Liang would not regard the three most elite main cavalry battalions as handing out leaflets, otherwise it would be really overkill and a big waste.

This time, the three major cavalry came out together, the real purpose is to cut off the connection between the various cities of the Jizhou army, don't you like to nest in the city as a turtle with a shrunken head, then as you wish, stay in the city and don't come out, as long as any army dares to go out of the city and dare to show its head, it will be annihilated in one fell swoop, without mercy.

Cavalry siege is a weakness, but field warfare is a real king, as long as the Jizhou army dares to go out of the city, there is definitely no return.

At present, the Jizhou army is adopting a turtle shell tactic, just like a turtle, the turtle retreats into the city, in a vain attempt to block the attack of the Bingzhou army by holding the city.

After all, their army does not have the ability to fight in the field, and they are forced to the battlefield, no matter how many people are just playing the role of cannon fodder, only by sticking to the city is their only way, and only the tall city walls and perfect defense facilities can bring them some sense of security.

In the era of cold weapons, the city was also the best defensive weapon, and it was the most effective means for infantry to fight cavalry.

But the disadvantage is also self-evident, that is, they completely lose the ability to maneuver, because they dare not go out of the city, once out of the city, they will be devastated by the enemy's cavalry, so they can only be trapped in the city and passively defend.

The defensive battle of the city from ancient times to the present does not know how many cases have occurred, countless, Zhong Hui adopts such a strategy, it is also a conventional operation, the defensive battle of the city often lasts for a long time, as short as a few months, as long as several years, and even a siege war, it is not uncommon to fight for decades, since Zhong Hui chose to stick to the city, he is also ready for a protracted war.

However, Zhong Hui has improved the city defense war, and most of the city defense battles in the past dynasties were concentrated in some important cities and dangerous passes, but his defense target this time was relatively large, and it was the entire Jizhou.

It is indeed not easy to do this, although Zhong Hui has an army of 350,000 in his hands, but it is almost impossible to do everything and not fall into a city, so Zhong Hui has made a choice between the north and the south, and has formulated a key defense strategy in the north and south, on the northern line, to build a deep defense line about 300 miles long and about 100 miles wide, forcing the enemy forces back.

Zhong Hui's defensive tactics were expected by Cao Liang as early as possible, is there a way to crack it? Of course! The defense line of the Jizhou army in the north, to put it bluntly, is a defensive chain, centered on the five major cities of Xindu, Nanpi, Lecheng, Lunu and Zhending, together with some small city passes around it, forming a city defense group, which seems to be extremely strong, but it also has a fatal hidden danger, that is, there is no room for error, especially these five major cities, just like the important five rings on this defense chain, if a city is lost, this defense chain will inevitably be broken, and all efforts will be wasted.

Therefore, the state army only needs to knock out one of the links, and the situation in Jizhou will change greatly, but where to start? For Cao Liang, he must make a right choice.

First of all, Xindu is the state city of Jizhou, the center of gravity of the northern line defense, the Jizhou army is concentrated a large number of troops to defend the city, according to the information provided by Fang Bu, the defenders of Xindu reached 50,000 people, of which 30,000 are Lu Zhao's descendants, which is also a relatively strong army in the Jizhou army, the city defense is strong, Cao Liang naturally excluded it first.

In the other four counties, the number of defenders is about 20,000, and the other cities range in the thousands.

For those small cities, Cao Liang was not very interested, after all, they were not an important link in the defense chain, even if they took time and effort, they would not have much value, so the state city letter could not be moved for the time being, and those small cities were disdainful, Cao Liang naturally locked the target of the attack on the four county towns.

The four county towns are almost lined up, located in the east of Xindu is Lecheng and Nanpi, located in the west of Xindu is Lunu and Zhending, Nanpi and Zhending one is in the easternmost part, one is in the westernmost part, even if it is defeated, the impact on Xindu is relatively small, since it is to fight, it is natural to choose the key points.

The most ideal target of attack is Lu Nu and Le Cheng, and the opinion of the generals of the state army is to fight Lu Nu first, after all, Lu Nu is the most north, bordering Zhuo County, and the state army is relatively easy in terms of logistics support, but Cao Liang believes that to fight the snake is to fight seven inches, and if you want to attack, then you must beat Zhong Hui and Lu Zhao to hurt, so Cao Liang locked his eyes on Le Cheng, which is the closest to Xindu.

If Lecheng can be captured, it can cut off the connection between Xindu and Bohai County in the east, and the state army can also quickly establish a southward passage, which will approach the Qinghe Plain, and even threaten Qingzhou.

Naturally, it is impossible for the besieging troops to rely on the cavalry battalion, so after determining the first attack on Lecheng, the infantry battalion and the first battalion will be the main force of the siege, moving south from Youzhou to besiege Lecheng.

The infantry battalion and the Xiandeng battalion have a total of 30,000 troops, compared with the 20,000 defenders of Lecheng, and the Bingzhou army has a clear advantage, and the infantry of the Bingzhou army is a division that has been fighting for a long time and is good at fighting.

And Lecheng's defenders are just some new soldiers, although after two years of training, they have mastered certain combat skills, but this battle is the first time in their lives, drills and actual combat, in essence, it is not the same thing, it can be said that Lecheng's defenders are at best a paper tiger, Yanghu and Malone joined forces to attack, such a lineup combination is enough to shock the world.

The only reliance of the Lecheng defenders is probably the only way to repair the city wall, and only by hiding behind the city wall can they have some sense of security.

Hejian Taishou is Jiang Xiu, the son of Jiang Ji, and concurrently leads the general Fenwei, and the Taishou of the four counties on the northern front is now also a general, responsible for defending the city against the enemy, and Jiang Xiu is no exception.

Although he was promoted to general and his official position was promoted to one grade, Jiang Xiu was frowning and did not feel happy at all, because the army defending the city was the soldiers he brought out, what kind of bears these soldiers were, Jiang Xiu knew better than anyone else that such a weak army could really resist the attack of the state army?

Others don't know, anyway, Jiang Xiu has no bottom in his heart.

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