In Tian Zong's imagination, if the Xiongnu launched a massive attack, his side must be mainly defending the city. It would be a very unwise choice to fight with the opponent's cavalry on the grassland.

Although at this time the Xia Kingdom's frontier troops were equipped with stirrups and horseshoes, their cavalry strength was about the same as that of the Huns' cavalry.

But why use this method? There are many ways to consume the opponent's vitality.

Yang Gan understands one thing, that is, the grasslands cannot be unified. Only by continuing to divide can he have the energy and time to annihilate them.

"It's hard to say now. I have already sent people to the Jie tribe to sell them copper, iron, salt, tea, and weapons at low prices."

"Master, do you want the Jie tribe to deal with the Huns?" Tian Zong asked.

"Humph, the Jie tribe are not fools. I let them reveal the Huns' plan unintentionally. I can only plan if I know their countermeasures. But the most important thing now is to deploy the army to garrison Baiyun Pass..."

Suddenly Yang Gan was stunned, as if his brain had shut down. Before Tian Zong could say anything, King Xia Wen asked with concern, "Little friend, are you okay?"

Yang Gan wiped his forehead and saw that it was covered in cold sweat. "My body is fine, but my brain almost has something wrong."

"Ah? Lao Xue, hurry up and find the doctor." King Xia Wen jumped to his feet. What if such an excellent son had some shortcomings?

Yang Gan smiled bitterly and patted King Xia Wen on the shoulder, "Uncle Xia, it's not that I'm not feeling well. I, I just forgot about Baiyun Pass."

"What's wrong with Baiyunguan?"

Yang Gan said helplessly, "Baiyunguan Pass has been in disrepair for a long time. The Huns invaded last time because a section of the city wall collapsed."

"Although it has been repaired later, such a dangerous pass and such inferior city walls alone cannot stop the Huns from attacking the city."

King Xia Wen was also dumbfounded. From the initial mood of comforting his son, he immediately changed to the king's thinking: "My little friend, is there a solution?"

Yang Gan shook his head with a headache. Damn it that he had forgotten such an important thing.

"There is too little information, and I am currently helpless. I can only strengthen the city wall as much as possible. In fact, there is no need to worry too much."

"The Xiongnu and Jie tribe have sent out more than 150,000 troops. With such a large number of troops, the Xiongnu will not fight if they don't want to."

"We still have time. I asked Fujiko Jin to send the supplies to the Jie tribe, just to let the Jie tribe cause trouble to the Xiongnu, and also to delay the time. It won't stop in less than half a month."

From time travel to now, Yang Qian has fought dozens of battles. To be honest, he is not far from having experienced hundreds of battles. He still understands the twists and turns in the battle. It will not end so easily. The Jie clan is not a vegetarian.

On the grassland, if you are beaten, you have to fight back. If you don't even dare to fight back, the tribe's prestige will be greatly damaged.

Anyone has the guts to come up and step on them, so the Jie tribe will never let the Huns escape from the battlefield so easily.

Yang Qian seemed to have thought of something and said to a few people, "Old Tian, ​​let everyone, including the craftsmen, go to Baiyun Pass to garrison and repair the pass first. I suddenly remembered that I had something to go home and wait for my news. ."

"Ah, Master, don't you stay here." Tian Zong found that as long as Yang Gan stayed here, he didn't have to worry about his brain, he was relaxed, and he instinctively felt a sense of dependence.

Yang Gan smiled and said, "Whatever you do, I'll come as soon as I go. You don't have to act like a little girl."

He looked at the three conjoined twins and said, "Uncle Xia, I know that you are definitely not businessmen. Otherwise, according to Lao Tian's upright character, he would never let ordinary friends come to the military camp."

"I won't say much else. I can go if I want to and come back if I want to. But if a fight really breaks out, I won't be able to take care of you at the same time."

King Xia Wen clearly heard what he said, "Are you serious about starting a fight? Is it possible that you can't even start a fight like this?"

"Look again, don't fight if you can't. Fighting will kill people~~~~"

Yang Qian paused and said coldly, "Old Tian, ​​be optimistic about the craftsmen. If Baiyun Pass is breached, they will all be killed without mercy."

"Ah? Why is this?"

"The techniques I taught them must not be leaked, especially the nomads, otherwise we will be in big trouble."

Tian Zong was shocked in his heart, these were hundreds of lives, and he would kill them all without blinking an eye, but the military order was overwhelming, so he still agreed.

King Xia Wen's energy was flowing. The more his son behaved like this, the more satisfied he became. He was decisive in killing and he was a king.

After Yang Gan left, King Xia Wen asked directly, "Did you pay attention to Zhao'er's appearance just now?"

"I have seen clearly."

"Me too."

"I am also 1"

.........

"Why is Zhao'er becoming more and more like a woman?" King Xia Wen was a little depressed.

Tian Zong didn't dare to speak. It had nothing to do with whether he was a military commander or not. The main reason was that he had a stupid mouth, which offended many people back then.

At this time, Qu Xiuwen cupped his hands and smiled and said, "Your Majesty, people born with different looks will always become great talents. Although the young master is very handsome in appearance, his achievements are even more outstanding."

Qu Xiuwen's words were like a kitten's claws, scratching King Xia Wen's heart, which was a comfort.

Tian Zong didn't talk nonsense. After King Xia Wen agreed, he directly decamped and set off all the border troops towards Baiyunguan. He also asked scouts to go to Shoucheng and garrison the city to mobilize soldiers. To be honest, when it comes to defending the city, the more people the better.

When Yang Gan came to the door of his house, he took a deep breath and saw countless carriages carrying things towards the house.

When I came to the mansion, the courtyard and the inner hall were filled with boxes. Hundreds of thousands of gold were no joke.

Seeing countless boxes being transported in, Yang Gan smiled like an aunt, while Qin Xiangru directed the mistresses to send all the gold to the basement of the inner hall.

This basement has been built since Yang Qian went out to war. The entire basement is supported by wood. Not to mention how strong it is, the area is very large and not very shallow.

"Is there gold in the box?" Zhang Yumeng was dumbfounded. Even in the previous world, she couldn't afford so much gold based on her worth.

Zhang Yumeng didn't know, but Yang Qian knew better than anyone that 300,000 gold, converted into money in a previous life, would be 3 billion. This small amount of money can indeed do something big.

Putting it on the gold, Yang Gan weighed the gold cakes. Four gold cakes were almost one kilogram. Three hundred thousand gold was equivalent to 75,000 kilograms, which is 75 tons of gold. After removing impurities of purity, it was about 72 tons.

Yang Qian scratched his numb scalp with both hands, "Your uncle, there must be too much ancient gold."

"Yang Gan, Yang Gan, you have so much money, can you give me some."

After Zhang Yumeng obtained the household registration, he could go out on the streets to have fun, but he didn't have much money. With the money Yang Gan gave him, he could buy ordinary things, but he couldn't afford expensive things.

She wanted to wear precious fabrics such as brocade, silk, and silk, and the money Yang Gan gave her was probably enough to buy a bellyband.

"I'm happy today, uncle. I gave it to you." Yang Qian took out a small sling of money from his arms, weighed it, and threw it to her.

Zhang Yumeng covered her head, "Hey, hey, I said you are too stingy. Look at me. I am so beautiful. Wouldn't it be a pity not to wear some nice clothes? This little money is not enough to buy beautiful clothes."

Yang Gan glanced at her and said disdainfully, "My money didn't come from the strong wind. I got it back with my life. Why should I give you flowers just because you are beautiful?"

Yang Qian looked Zhang Yumeng up and down with sharp eyes, then pursed his lips and shook his head with a sigh.

Zhang Yumeng was furious, "Am I not beautiful? Am I not in good shape? In your house, I think it is a beautiful sight."

Yang Gan said angrily, "Look at Krisna, her figure is better than yours. Qin Xiangru and Zhou Zhiyu are not any worse than you either?"

"The most important thing is that I have no interest in women, so you are just a dispensable existence unless you can prove your usefulness."

"You say, you say, I will do everything I can do."

As an A-list actress in the film and television industry in my previous life, I definitely have to be motivated and smart, otherwise I won't be able to go that far.

"Since you are so sincere, don't say that I didn't give you a chance to do the laundry, fold the quilt, serve tea, fill the water tank, cook... well, forget about cooking, go into battle to kill the enemy, and study ordnance. , or something that can be helpful to the current environment."

Zhang Yumeng looked at Yang Qian with dull eyes, pressing his ears tightly, "I won't listen, I won't stop, this bastard is chanting sutras."

"Is there a place where we can sing and dance?"

"Yes, do you want to go to the brothel?"

........

At this time, Fujiko Jin walked in. When he saw Yang Gan, he was obviously surprised, "Didn't you go to the military camp?"

Seeing Tengzi Jin, Yang Gan was overjoyed, "I'm going. I'm here to wait for you. This time you not only have to reveal the Huns' movements to the Jie tribe, but you also want to delay the Huns' attack as much as possible. The longer you delay, the worse it will be." Okay, do you understand?"

Fujiko Jin was a little confused and didn't understand. Yang Qian always made plans and rarely revised them. "What's going on?"

Yang Gan smiled bitterly and said, "When I was planning, I forgot about the city wall of Baiyunguan."

"Ah? Well, when you mentioned this, I also remembered it. It seems that the city wall is not very strong."

"Isn't it very strong? Remove the word "very" and put it more harshly. I can tear down the city wall just by peeing."

"Then what should we do?" Fujiko Jin was shocked. The city wall is the most important thing. If the city wall is destroyed, it will be hardened or directly invaded. There is no third way.

Yang Qian was helpless now, when a weak voice came, "Actually, it's very simple to make the city wall strong, just use cement."

Yang Qian was stunned, "Cement?"

Looking at Yang Qian's reaction, Zhang Yumeng felt that these were the aboriginals. There was nothing they could do about it. This girl, no, my knowledge is beyond yours for thousands of years.

"Cement is something that can solidify in a short period of time and greatly strengthen the hardness of the wall. It is definitely much stronger than the current stone walls and mud."

"And after it is removed, it only takes a few days to harden. If it takes more than ten days, it can reach the strongest level of cement."

"Can you make cement?"

Zhang Yumeng smiled and said, "How much is this cement worth?"

"A thousand pieces of gold."

"Deal~~~! But you have to listen to me now."
Chapter completed!