Li Ke was very excited, not because he was renamed the king of Shu again, but because his father made himself the head of the Jiannan Road march and the envoy of the Jiannan Road.

As the head of the march of Jiannan Province, the envoy of Jiannan Province is much more powerful than before, and he can mobilize all the military forces of Jiannan Province, and all the affairs of Jiannan Province must be controlled by him.

In other words, everything in Jiannan Province will be decided by himself, including the appointment and dismissal of civil officials, the promotion of military generals, the collection of taxes, and so on.

Prior to this, the Tang Dynasty had also sealed Li Zhonghua as a festival envoy, and in a few years, Li Zhonghua had completely changed the place under his jurisdiction.

Li Ke felt that he might not have the ability of Li Zhonghua, and he should be too good at making money for the other party.

However, Li Ke felt that he had a good relationship with Li Zhonghua, and he was a close neighbor, so he could help him and find a way to develop Jiannan Province better.

Having said that, isn't Kangding City also in the area under the jurisdiction of Jiannan Dao?

However, Li Ke, the king of Shu, felt a little lost, and he knew very well in his heart that his father's sudden reward was probably because he had no chance with the crown prince, and he made a little compensation to himself.

Li Ke, the king of Shu, who suffered from gains and losses, didn't know that there were bigger surprises waiting for him.

That night, after everyone carnival together, Li Ke, the king of Shu, and Li Zhonghua talked about lacquer.

"China! Isn't it time for my father to become a prince soon? The ninth brother is about to become the prince? After Li Ke, the king of Shu, took a sip of wine, he suddenly said with some loss.

"Your Majesty should indeed decide the final outcome of the Lichu soon, what? Before the results are out, you have already started to lose and even give up on yourself? Li Zhonghua looked at Li Ke, the king of Shu, and said calmly.

"Nothing? The position of the prince has nothing to do with this king, I am fortunate, I lost my life, although the ninth brother is weaker, but he is docile, sensible and obedient, and he is indeed the best candidate to be the prince. Li Ke, the king of Shu, said a little depressed.

Identity is innate, and no one can change it, so Li Ke, the king of Shu, feels that although he is very favored by his father, but in the matter of establishing a prince, his father will not make himself a prince if he wants to make himself a prince, and he will not do anything that violates the system.

"His Royal Highness the King of Shu, do you really think so in your heart?" Li Zhonghua shook his head lightly and said.

"Can't it? The origin of this king has already determined the future of this king, do you know why his father named this king Li Ke? Ke means to abide by one's duty.

What is the duty, is the duty of being a prince, and other things that should not be yours, don't be delusional, otherwise, the consequences will be very serious.

How is Li Tai, King of Wei? Among so many princes, who has him is more favored by his father, just because he has a non-part thought that he shouldn't have, and now it's not the same, he was assigned to a fief. ”

"Your Highness can think like this, it's actually quite good, take 10,000 steps back, as long as Your Highness develops Jiannan Dao with heart, you can also have the power of self-preservation, isn't it?"

"You're right, other kings are not worried, even if the ninth brother sits on the throne in the future, it will not embarrass the king, what this king is worried about is Sun Wuji, the eldest prince of Zhao State. After the ninth brother became the emperor, Sun Wuji, the eldest prince of Zhao State, will be even more unscrupulous, and the ninth brother is a little weak, I am afraid that he will be overshadowed by his uncle, and the Tang Dynasty will be in danger. ”

In fact, Li Ke, the king of Shu, felt that he would be in danger, but he was embarrassed to say it.

Although Li Zhonghua felt that after the eldest grandson Wuji plotted to assassinate Li Ke, the king of Shu, history was likely to undergo major changes, and Li Shimin might forcibly make Li Ke, the king of Shu, the crown prince.

But before the results came out, Li Zhonghua didn't want to say too much, of course it was best for Li Ke, the king of Shu, to think like this.

Li Shimin asked him to organize the production of bombs, which surprised Li Zhonghua, originally he didn't want to meddle in this matter, he only wanted to give the imperial court a secret recipe for gunpowder proportioning, and he had nothing to do.

If it weren't for the accident of Princess Wencheng, Li Zhonghua wouldn't have planned to take out this killing weapon.

With the blessing of the bomb, I don't know where the future of Datang will go, I hope that I will not be like Genghis Khan, and occupy all the places connected by land, that is his Li Zhonghua's sin.

Since the imperial court has already made a will, no matter how much he resists, things still have to be done.

It is not difficult to make gunpowder, but the difficult thing is safety, so Li Zhonghua did not plan to produce gunpowder in Kangding City, but built another base at the foot of the mountain outside the city to specialize in the production of gunpowder, and sent 2,000 soldiers and horses to garrison around the base.

For the sake of secrecy, everyone is only responsible for one process, and the assembly line is carried out until the final gunpowder ratio is completed.

As for the bomb body, that is, the cartridge casing, it needs to be transported by the imperial court, and Kangding does not produce iron.

Since he wanted to do it, Li Zhonghua planned to do it in one step and directly use pig iron to cast the bomb body.

The development of bombs was also very long, and such firearms were developed on the basis of the incendiary "thunderbolt fireball" and "thunderbolt cannon".

Originally, when playing in the Northern Song Dynasty, people used bamboo strips to weave into a spherical shape, paste clay paper on the outside, and fill gunpowder and porcelain pieces inside, which made a thunderclap-like sound when cast. This is the "Thunderbolt Fireball", an explosive firearm in its infancy.

It primarily burns, but can also shoot shattered porcelain shards to damage enemies. Later, it was further made into a "thunderbolt cannon", which was made of a paper tube as a cannon barrel, which was filled with lime and sulfur and other substances, when fired, the projectile body was first shot into the air, and then fell into the water, the sulfur and lime swelled and became angry when they saw the water, and jumped out of the water, and the paper tube immediately exploded, and the lime smoke dispersed, which could obstruct the enemy and hurt the eyes.

In 1126, when the Jin besieged Bianjing, the Song general Li Gang ordered the use of thunderbolt cannons to repel the enemy. In 1161, Yu Yunwen also used a thunderbolt cannon when he broke the gold soldiers in Quarry Rock.

Metal bombs were originally created by the Golden Man. During the reign of Jin Shizong, there was a hunter named Tie Li in Zheng Village, Yangqubei, who specialized in catching foxes. He made a kind of ceramic "fire cannon", thick at the bottom and fine at the top, with gunpowder in the tank and a fuse on the thin mouth.

When the fox was hunted, the fuse was lit, the fire pot exploded, and the violent sound made the fox run in a hurry and fled into the pre-set net.

Around the beginning of the thirteenth century, the Jin people learned to make firearms and invented iron bombs, which the Jin people called "earth-shaking thunder" and the Song people called it "iron artillery".

This kind of bomb is launched with a stone thrower, and the shell is made of pig iron, and there are four types: jar-shaped, gourd-shaped, round-shaped, and bowl-shaped.

Among them, the canister-type earth-shaking thunder, with a small mouth and a thick body, a shell thickness of 2 inches, contains gunpowder, and has a fuse. Thrown or launched, the explosion is like thunder, and the shrapnel explodes, which can penetrate the iron armor, and the lethality is quite large.

When the Jin soldiers attacked Qizhou, they bombarded with earth-shattering thunder and inflicted heavy losses on the Song army. When the Mongol soldiers attacked Jinnanjing, under the cover of the siege equipment "cowhide cave", they dug the city wall, and the defenders of the city began to counterattack with arrows and stones, to no avail.

Jin Bing then used a "earth-shaking thunder" to hang down with iron cables along the city wall, and after the fire, "its sound was like thunder, and it was heard hundreds of miles away." The Mengshi soldiers who were besieging the city and digging the wall under the city, along with the "cowhide hole" for protection, were blown to pieces. At that time, the explosion power of the "earth-shaking thunder" was very amazing.

In 1277, the Mongol Ali Hague attacked Guangxi, the Song general Ma Ji led the troops to guard the Jingjiang, three months later the Jingjiang fell, Ma Ji's subordinate general Lou Zhan led more than 250 people to retreat to the Yuecheng, the Mongolian soldiers surrounded the Yuecheng for more than ten days, Lou defended and did not surrender.

At this time, due to the lack of food in the city, it was difficult for more than 200 soldiers to continue to hold on. Lou Chan stood on the city wall and shouted, "We are too hungry to go out of the city and surrender, if we are given something to eat, we can obey our orders." ”

The Mongols believed it and sent a few cows and some rice, and Lou's men took the food and closed the gates. The Mongols climbed high to lookout, only to see that the Song soldiers were busy cooking rice and slaughtering cattle, each doing their own thing.

After eating, the Song soldiers were full of strength, so they blew their horns and beat the snare drums, and the Mongol soldiers thought they were going to fight, and they were ready to fight. I saw that the Song soldiers rushed out a large artillery, and after lighting the fuse, it immediately exploded, the sound was like thunder, deafening, the smoke of gunpowder was filled, and the city wall collapsed.

When the Mongolian soldiers approached, more than 200 Song soldiers were killed, and even the Mongolian soldiers guarding outside the city were also killed. This shows the power of this iron artillery.

The so-called "iron artillery" in ancient times was completely different from the cannons equipped by modern armies, and the artillery at that time was now nothing more than a large landmine, with a bulky shape and strong explosiveness, but it did not have the ability to fire. At that time, with the help of a stone thrower or manual throwing, the throwing distance was limited, and the target was difficult to be accurate, so it was mostly used to blow up the enemy's city defense facilities, and was most used in the battle of attacking and defending the city.

The production of iron artillery in the Yuan Dynasty has reached a fairly high level. Kublai Khan, the ancestor of the Yuan dynasty, used iron artillery in both of his two expeditions to Japan. The first time was in 1274, when the Yuan army, led by Kudun and others, fought against the Japanese army at Hakata.

According to Japan's "Hachiman Foolish Boy Training", after the Yuan army landed, the commander was condescending and ordered 10,000 people to fire short and poisonous arrows. When the troops retreated, they fired "iron artillery", and the sound was like thunder.

The Japanese soldiers were deaf and at a loss for what to do. The battle resulted in a crushing defeat for the Japanese army, and the Yuan army had to retreat due to the exhaustion of bows and arrows.

In 1281, under the leadership of Fan Wenhu and others, the Yuan army invaded Japan again and attacked Iki and Puura, and when they attacked Iki and Puura, they sent "iron artillery" to defeat the Japanese army and killed the Japanese general Shao Erzhishi. But at this time, the Yuan army encountered a hurricane, and the soldiers escaped separately, and the natural disaster caused 100,000 soldiers to be trapped.

The Japanese painter Takesaki Kicho, who participated in these two battles, depicted the battle scenes he witnessed after the war, and in 1292 he collected them into a catalogue entitled "The Mongols Attack on the Painting".

One of them is a real scene of the Yuan army casting "iron artillery", the left side of the painting is the Yuan soldiers, the right side is the Japanese soldiers, and there is an "iron artillery" in a state of explosion on the ground in the middle.

The lower half of this iron cannon is still intact, the upper half has been blown apart, and the fragments are flying, and the flames are everywhere.

As can be seen from the picture, this iron cannon is composed of two halves, which is the "Bowl Type", one of the four forms of Jinren's "Earthquake Thunder".

The bomb that Li Zhonghua wanted to build was this kind of bowl-type bomb, but the bomb he made was more advanced than the bowl-type bomb made by the Jin people.

The bomb made by Li Zhonghua was closer to the grenade of later generations, like the shape of a pomegranate, and after being fused, it could be used to throw it at the enemy.

As for trigger-type bombs that don't use a fuse, this technology is a bit beyond Li Zhonghua's ability, and it can only be detonated in a primitive way, which is safer in comparison.

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