"It's the Yellow Turbans." Gu Nan bowed slightly.

"After the defeat of the Yellow Turbans, their people went into exile, and they often caused trouble in various places. A number of its shares flow in Jizhou Black Mountain, which is the Black Mountain Army, and the generals of this army are Zhang Yan of the Yellow Turban. Later, he was recruited by the court, and now he is Zhang Yan, the general of the middle court. Leading the army for the crowd and governing the mountains and mountains of the north. Even so, the princes of the northern lands stood up separately, and their people were restrained and difficult to do, because they wanted to find a way out. ”

Although it was mentioned that the Qingzhou Yellow Turban, Gu Nan first said that it was not in Qingzhou, but the Yellow Turban Army stationed in Jizhou and had become a regular army.

However, it is a pity that the situation of this regular army is not good, originally as the Yellow Turban Uprising, this army said that there were millions of people, but in fact there were not so many, but the people and bandits who united the people here were no less than hundreds of thousands.

However, the leader of this army, Zhang Yan, is different from Zhang Jiao, he is not a person who plots the world, or his own ambitions are not high.

To say that this person is somewhat similar to Song Jiang among the heroes of Liangshan in later generations, he hoped to find a serious way out for his subordinates and himself, so he surrendered to the imperial court.

In this way, the rebels in the Montenegrin army who did not want to surrender left one after another, which caused many losses to the strength of the Montenegrin army.

However, even so, the Black Mountain army is still enough to make all the princes in the north jealous, and they are all plotting against it, often with constraints.

And because of its large number of soldiers, many of the hundreds of soldiers have family members, which makes hundreds of thousands of people often lack food and grass, and it also makes it more difficult for the Montenegrin army to be in.

After finishing talking about the Black Mountain Army, Gu Nan turned to Qingzhou.

"The army of Qingzhou is different from Montenegro, most of them are the exile of the Yellow Turban remnants and gather here, there is no leader and scattered into chaos, they are all born in the green forest and strongmen, although the people are disorderly and cannot form an army."

"Even so, the crowd is not to be underestimated."

"Qingzhou Thorn Shi Jiao and incompetent, although Qingzhou soldiers are good at food, but they are not good at leading troops, often pray to the sky and sacrifice, but do not prepare for war. Beihai Xiangkong is a celebrity who does not know military affairs, and it is difficult to fight without military affairs. ”

Gu Nan looked at Qingzhou on the picture, and his palm was slightly covered, revealing some hideous scars on the back of his hand.

"If the Qingzhou Yellow Turban gathers a crowd, Qingzhou will be chaotic, and the soldiers and horses cannot be suppressed."

"This is the opportunity, the general can take advantage of the righteousness to follow the name when both armies are wounded, and raise troops to support the army to enter Qingzhou under the name of suppressing thieves."

"With Qingzhou, you can be in the Beihai and side of the world, the inner tuntian is peaceful, the school trains soldiers and horses, the outer knot boat and the oar, and the water and river army. Become a strong army with abundant food and security inside and outside, and do things yourself. ”

Qingzhou is located on the side of the world, facing the North Sea, can train the navy, the inland water soil is fertile and the grain and grass are abundant, it can be said that there is no external worry and internal trouble as long as you can get here, and it is an important place to gather soldiers and horses.

At this point, Cao Cao was already moved in his heart, if he really did what Gu Nan said, he would have a foothold, and it would be a land rich in military rations.

If he wants to map in this troubled world, he must have his own base and soldiers, and Qingzhou can be selected.

But he was not in a hurry, but stood up calmly, thought of something with his head bowed, and walked slowly back and forth between the halls.

finally stopped, frowned and looked at Gu Nan, Qingzhou is chaotic, but how is Qingzhou chaotic?

"Sir, how does Mr. know that the Qingzhou Yellow Turban will gather to rise?"

"And there are hundreds of thousands of yellow turbans in Qingzhou, if there is a rebellion in Qingzhou, the army of one state is still invincible, how can you drive it away?"

Indeed, the Yellow Turbans in Qingzhou were originally formed by the gathering of Yellow Turban rebels from all over the country, and the lack of unified generals led to them being a group of chaotic people and no order.

If they are not in harmony internally, their own divisions will not have a fundamental impact on Qingzhou at all. Qingzhou is not in chaos, what is the matter with him Cao Cao?

And it is the resurgence of the Yellow Turban, the chaos in Qingzhou, hundreds of thousands of people, how can he be sure that he will be able to retreat from the enemy.

"General, the Qingzhou Rebellion is the trend of the times."

Gu Nan said lightly, his eyes moved away from the map, and he turned his head to look at Cao Cao.

"There are hundreds of thousands of people in Qingzhou, and they must have food, but the army is all displaced people, and there is no food supply, and the military without food must only be plundered. Divide but not gather, when they are broken one by one, they will bring about their own destruction. If it gathers, it will be chaotic in Qingzhou. ”

The disadvantage of the Yellow Turban Army is that they are all chaotic people and have no land to cultivate, so there is no supply of grain and grass at all, and they can only plunder everywhere if they want grain and grass.

Most of the Qingzhou army was defeated and fled from all over the country, and one or two Qingzhou could still be managed, but there were too many people, and it was impossible to settle down, so Qingzhou was bound to be chaotic.

Qingzhou Thorn Shi Jiaohe also knows this, but there is no way but to pray for God's blessing every day.

"As for how to return the Qingzhou Yellow Turban."

Gu Nan smiled slightly, and she couldn't see her smiling appearance clearly under the hat, but she seemed to be able to hear a slight sigh when she heard the voice.

"Does the general know about the strong wall?"

The fortified wall clears the wilderness, that is, it is a strong barrier and clears the countryside.

It is an effective method for strong enemies to invade.

Holding on to various places makes it impossible for the enemy to capture strongholds and grab supplies, and is clearing out the enemy's weak forces one by one.

In invasion wars, the attacking side often travels long distances and has limited military rations, while the defending side has the advantage of home field and has plenty of food and grass.

Under such circumstances, the use of such methods naturally does not require a large-scale engagement to make the foreign enemy retreat.

As for the reason why Gu Nan sighed, it was just that he had used this method in the Qin period.

However, there was a problem with the military system of the Qin State at that time, in order to cultivate the people's livelihood, the military system at that time was that most of the garrisons in various places were transferred from nearby civilians to serve in rotation, and most of the soldiers were just ordinary people serving temporarily.

Under such circumstances, the nationwide natural disasters caused most of the army to be in turmoil, and the army that was able to be summoned in Guanzhong was only 200,000, which was even worse.

Moreover, at that time, there was not much grain and grass in Guanzhong (part of it was transported to the Mongolian army in the north, and the rest was distributed among the various armies in Guanzhong), and there were Lishan prisoners in the Guanzhong chaos, and the strong wall was useless at all.

This tactic only makes sense when there is a disparity in supplies between the enemy and the enemy.

The land of Qingzhou conforms to this situation, because there are many people and there is no fixed supply of grain and grass, the Yellow Turban Army cannot hoard grain and grass in their hands, so they can only keep plundering.

And Qingzhou is rich in food, if the tactics of strong walls are adopted, the Yellow Turban Army will naturally retreat and change its goal if it can't grab food.

"Kiyono Fortified?" Cao Cao was stunned.

"Hold on to the grain, do not confront it head-on, disrupt it with the cavalry, the army is exhausted without food, and the yellow turban should retreat."

In the firelight, Gu Nan faced Cao Cao sideways, and his figure was half dark and half bright under the firelight.

Cao Cao's gaze fell on the front of him, just now he only thought of the Yellow Turbans, but he didn't expect that he could easily break them in this way.

He was silent for a while, then burst into a long laugh, followed by a long laugh, and then shook his head and said.

"It's ridiculous that the Yellow Turban Rebellion could move the Han Room, if you do Mr.'s law earlier, why worry about the Yellow Turban Rebellion?"

Then his heart surged, if he could get the land of Qingzhou, he would no longer need to call others in this troubled world.