Before the news of the "annexation" of the city reached Nanjing, the Vietnamese civil war started first.

Xu Ying hurriedly entered the palace and said, "Your Majesty, Annan has already started a war!" ”

Zhao Han was a little surprised: "Is the Zheng family so anxious?" I didn't wait for the rice to be harvested. ”

Xu Ying explained: "Your Majesty, rice can be planted in Annan for two seasons, and in some areas, it can be planted for three crops. If it is two crops of rice, it can be harvested every winter and replanted after the beginning of spring. Annan Zheng's dispatch of troops this time was to harvest last year's winter rice, and after the farmers planted the summer rice, they took advantage of the gap before the rainy season to send troops! ”

"How many troops did the Zheng clan send?" Zhao Han asked.

Xu Ying replied: "I don't know, but at least there are more than 50,000 people, and the Ruan clan should be able to withstand the danger." If it drags on for two months, the rainy season is approaching, and our army will definitely not be able to send troops. ”

Zhao Han called You Julian, the female official of the Imperial Horse Supervisor's palm seal, and asked the female official Shangbao to take the emperor's seal letter, and drafted an edict saying: "Notify the cabinet, let the military department and the governor's mansion, and order the Datong army in Guangxi and Qiongzhou to act according to the established plan!" “

The established plan to send troops was to wait for the end of the civil war in Vietnam and send troops when the Zheng regime was at its most vulnerable.

Of course, as Xu Ying said, it can't be too close to the rainy season.

If the civil war between the two sides drags on for too long, the Datong army will definitely not be able to move, and it is really the first iron for the army to burrow into the forest during the tropical rainy season.

In fact, it will definitely be too late for Zhao Han's edict to be sent to the front line. Fortunately, the plan had been formulated a long time ago, and even the grain and grass had been put in place, and Li Dingguo, Liu Xinyu, and Ding Jiasheng had great autonomy.

At this moment, the cabinet received the news, and the three ministers did not speak much.

Pang Xuan Lai was not opposed to the conquest of Vietnam, but he believed that the time had not yet come. At the very least, after completely destroying the Tartars and harvesting Hetao, Monan, and Nuer Gandusi, can they free up their hands to use troops elsewhere.

Li Banghua and Song Yingxing were worried about the old Ming Dynasty.

At the beginning, Zhu Di also defeated Vietnam, not only set up the Jiaozhi Political Division, but even opened a branch in Vietnam. Those Jinshi in Vietnam, the highest political envoy, should have been assimilated, but decades later, an uprising broke out and they became independent from the rule of the Ming Dynasty.

The territory of the Nguyen and Truong clans was bounded by Heng Son, the mountain range at the junction of Ha Tinh and Quang Binh provinces.

Emperor Yang of the Sui Dynasty sent troops to Vietnam that year, destroyed the Linyi Kingdom, and set up three counties. In the Tang Dynasty, when the Linyi Kingdom was restored, it was bounded by Hengshan. North of Yokoyama,

It is the territory of the Tang Dynasty, which is now the territory of Zhengzhu; To the south of Heng Son is the country of Linyi, which is now the territory of the lord of Nguyen.

The Linyi State, the predecessor of the Champa State, was constantly encroached upon by Annam, and now there is only a palm-sized place left.

The peasants in the Zheng clan had just finished planting rice and were called up in large numbers to fight.

Zheng Tao, who was a lot old, not only personally led the troops south, but also brought the puppet king with him. This was his first southern expedition, and he was defeated and defeated repeatedly, vowing to destroy the Nguyen clan and unify Vietnam.

The Zheng clan was defeated again and again, and took the initiative to fight again and again.

Nguyen Thi won time and again, but he was always on the defensive.

The reason for this is due to national strength.

The area controlled by the Trung clan had three times the population of the Nguyen clan, and the land was more developed, allowing for a larger area of land to be cultivated.

"Fire, fire!"

"Boom, boom!"

Zheng Yu pressed the hilt of his sword with his left hand, stood up and looked at the results of the artillery bombardment, turned to the puppet king and said, "Your Majesty, this expedition will definitely be victorious!" “

"Okay." Li Zhenzong nodded Mu Ran.

Li Zhenzong is very young, a few years ago, Zheng Nanzheng failed and put all the fault on his father. So, he abolished his father Li Shenzong and established him as the new lord.

If he is also defeated this time, Li Zhenzong will have to take the blame, and he will have to change to a puppet king.

The civil war in Annam, on a small scale, but more expensive than King Fei.

In command of the artillery, a Dutch officer.

The gunners of the Zheng regime were mainly Dutch mercenaries, and the Vietnamese artillery was all responsible for miscellaneous work.

Zheng Yu learned from the pain, saved money and food for several years, and this time increased the number of artillery pieces to twelve.

Hundreds of shells were fired, and Zheng Zheng, the son of Zheng Loquat, drew his sword and shouted: "Attack the camp first, break the Great Wall, break the Great Wall!" “

The Ruan clan built some earth and stone walls at the dangerous place of Heng Mountain, claiming to be the first camp of the Zheng clan of the Great Wall, holding shields and cold weapons, and desperately charging towards the earth and stone walls in front. In less than half an hour, the first line of defense of the defenders was broken.

So smoothly, it is purely Zheng Lao's deep calculation.

Vietnam is fighting a civil war, and due to climatic and agricultural reasons, it should break out in late winter and early spring.

Zheng deliberately delayed the time to make the Nguyen Clan think that there would be no war this year, so the border defenders did not have many troops.

After the Zheng army broke through the first earth and stone wall, they made persistent efforts to quickly break through the second road and completely open up the main road in the mountains to the south.

Including the people, an army of 60,000 quickly captured several towns south of Hengshan.

Only then did Ruan Shi react and hurriedly gathered troops to resist, and the two sides confronted each other on the banks of the Lishui River.

Nguyen Phuc Lanh, the lord of Nguyen, personally led an army of 20,000, and his son Nguyen Phuc was on the verge of becoming a general.

Zheng Jun had already crossed the river, and because he had come over the mountains and mountains, he did not bring any decent sailors, but only collected some small boats on the way.

Although the Nguyen army has few soldiers, it has a formed naval army.

In order to guard against the naval army, Zheng built an artillery position along the river, and asked the Dutch gunners to stop the enemy naval division from making trouble.

After two days of confrontation, Ruan Phuc Pin put down the dry mirror and said with a smile: "Father, Zheng's artillery has been lured away by the sailors, and the elephant soldiers of our army can be dispatched.

"Go ahead."

Ruan Fulan waved his hand, and his breath was weak when he spoke, he was sick this time.

Soon, the Nguyen army went out of the camp to line up and let the sailors attack and harass and pin down the enemy artillery.

Seeing this, Zheng Jun also followed out of the camp and defected to Sha Dingzhou in Vietnam, and at this time he led the cavalry to set up a formation, which was one of the main forces of Zheng Jun.

Sha Dingzhou led the Yunnan cavalry around the flank, and Zheng, the son of the Zheng family, commanded the main force of the infantry to advance.

Just as the two sides were about to engage in battle, a hundred war elephants of the Ruan army came out from the other side of the camp. Before they had time to line up, these war elephants were urged to kill the flank troops of the Zheng army.

The devil knows why the Nguyen clan had a hundred war elephants, when there was a war a few years ago, there were only about 20.

Zheng Yu was shocked: "Quickly inform the Dutch, quickly turn the muzzle of the cannon, and fire at those war elephants!" ”

It was too late, and a hundred war elephants rushed faster and faster, and in the blink of an eye, they rushed into the flank of the Zheng army.

The Zheng army also had a small number of firearms, but whether it was archery or shooting, it only aroused the ferocity of the elephants even more. These war elephants went on a rampage, trampling countless corpses wherever they passed, and the Zheng army's troops broke up one after another.

Both sides are training in secret.

The Truong trained as an artilleryman, while the Nguyen trained as an elephant soldier.

"Father, let's go!"

Seeing that the situation was not good, Zheng Zheng rode back to the Chinese army's main formation, urging Zheng Zheng to quickly cross the river and escape.

Zheng ran and said: "Take Your Majesty away, if you can't take it away, you will kill it, and you can't let the Ruan family arrest it!" “

Zheng Zheng hurriedly rode his horse and turned around, and soon found Li Zhenzong and helped the puppet king onto the horse.

Li Zhenzong rode away in a daze, and Zheng Zheng asked him to do whatever he wanted. His father is a puppet, and he himself is also a puppet, and he has long been accustomed to obeying the orders of his ministers.

On the battlefield, the 60,000 Zheng army was killed by the 20,000 Ruan army.

The soldiers scrambled to get on the boats to cross the river, and the crossing was in chaos. Many could not wait to get on the boat and simply jumped into the river, while the Nguyen Thi sailors took the opportunity to brave the artillery fire to come and intercept it.

"Boom, boom!"

Those Dutch gunners did not escape, and all of them held their artillery positions and fired at the Ruan family's naval warships.

They knew they couldn't run, and jumping into the river would turn them into live targets.

They were not prepared to surrender either, because the Nguyen Thi burned churches, drove the Dutch, and most of them were killed after surrendering.

Going around to Sha Dingzhou on the other side, he was a little stunned when he saw this, how could he lose for some reason?

Sha Dingzhou led the cavalry and rushed to the Chinese army of the Ruan clan, and also sent people to shout in advance: "Willing to surrender, willing to surrender, the cavalry will all belong to Lord Ruan!" “

Without waiting for Ruan's father and son to agree, this cargo led the cavalry to turn around and actually went to chase and kill the Zheng army.

Zheng's father and son led their own soldiers, slashing and killing the routed soldiers who stood in the way all the way, and ran fast in the boat, and the puppet king did not fall.

The artillery positions of the Dutch were soon attacked by Nguyen's navy and army, and more than 30 Dutch gunners all chose to die in battle. They knew that they would die even worse if they were captured.

Zheng father and son fled all the way back to Hengshan with the remnants of the army, and there were only a few thousand people left in the 60,000 army.

Most of the soldiers fled, because the Nguyen clan had only taken more than 3,000 prisoners, more than 2,000 corpses were found on the battlefield, and one or two thousand drowned in the river.

Just as the Nguyen army was in pursuit, Nguyen Phuc Lan fell ill and died.

His son Nguyen Phuc had to quit the army,

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