Wuxian led 10,000 Qi troops and 20,000 civilians to reach the upper reaches of Nanyi River, and immediately began to build a city and dredge the river.
The Qi army built two cities, Langshan and Dong'an, in the section of the river where the Mongolian army could wade across the river to control the crossing point.
The Qi army moved very quickly. In less than a month, the city began to take shape. Looking at the city that was about to be built, the Mongolian cavalry blocked on the south bank became a little unable to sit still.
After the Mongolian cavalry broke into the territory of Qi State, the target of the large group of operations was too large and it was easy to be chased and intercepted by the Qi army.
This invasion was mainly carried out by light cavalry, which relied on the wind to come and go erratically, making it impossible for the Qi army to catch them, and they searched for weak points in Qi's territory to plunder.
If they were overtaken or surrounded by the Qi army, then a single light cavalry would definitely not be able to defeat the Qi army with a mixture of infantry and cavalry.
Therefore, in order to prevent the Qi army from discovering it, the Mongolian cavalry was divided into multiple teams, each with a maximum of a hundred people. After plundering enough property and slaves, they returned to the Mongolian territory from the upper reaches of the Nanyi River.
Because after entering the Mongolian territory, the Mongolian cavalry plundered separately, so it was difficult for them to contact each other in a hurry.
At this time, the Mongolian centurion who first discovered the Qi army's construction of the city sent people to contact other teams, but after waiting for ten days, he only contacted two centurions.
Three hundred Mongolian cavalry gathered together, and the target immediately became larger, quickly attracting the attention of the Baozhou Qi army.
The general of Baozhou sent thousands of Qi troops to search the area where the Mongolian cavalry appeared, immediately leaving the Mongolian cavalry with nowhere to hide.
At this time, there were interceptions in front and pursuers behind. The more than 300 Mongolian cavalry did not dare to wait any longer and decided to break through the obstruction and return to Mongolia.
Early in the morning, the Mongolian cavalry killed the captured people and threw away the property that could not be taken away. Then they mounted their horses and forced a breakthrough towards the gap between Langshan and Yongan cities.
Three hundred Mongolian cavalry galloped and appeared in the sight of the Qi army. The Qi army on the city immediately sounded a warning gong.
At this time, the civilians who were digging a deep trench in the middle quickly evacuated to the cities on both sides. At the same time, there was a sudden loud "boom" and clouds of white smoke rising from Langshan City and Dong'an City.
Before the galloping Mongolian cavalry could react, two cannonballs from the top of the city smashed into the cavalry formation, causing mud to fly and the men toppled over.
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The Mongolian cavalry heard that the Qi army used a new type of firearm in a water battle. "The sound was like thunder, and one shot was eroded for miles." They did not know what kind of firearm it was.
Now I heard a loud noise and saw my comrades being smashed into pulp, and I was instantly frightened.
However, in order to escape, the Mongolian cavalry did not stop charging, and the cavalry continued to gallop forward.
At this time, the artillery on the two cities formed a cross fire. The artillery on the city head kept roaring. In the panic, the Mongolian cavalry stepped into the horse pit, and many cavalrymen and horses fell to the ground.
At the same time as the artillery bombardment, the Qi troops from the two cities rushed out and fired arrows at the Mongolian cavalry. The three hundred cavalry kept falling off their horses. The Mongolian soldiers did not dare to stop and led their subordinates to continue charging.
Soon, the Mongolian cavalry rushed through the large net of Qi army's arrows and rushed into the Nanyishui River under the bombardment of artillery.
The artillery shells stirred up water columns several feet high in the river. The Mongolian cavalry braved the artillery fire and waded across the river. War horses and cavalry were constantly being washed away by the river water.
Finally, hundreds of Mongolian troops rushed to the north bank on horseback. Just as he was rejoicing, he turned around and found that only half of the three hundred cavalry successfully crossed the river, and most of the supplies they looted were left on the south bank.
After the Mongolian army crossed the river, the Qi army in the two cities stopped shelling. The Qi soldiers quickly cleaned up the battlefield, cleaned up the bodies of the Mongolian soldiers, and took away the ownerless horses, while the civilians continued to dig trenches and horse traps.
At this time, on the higher ground of Langshan City, Wu Xian held the city wall and looked down at the soldiers clearing the battlefield and the civilians digging trenches. He couldn't help but said: "The power of these artillery is really amazing. It's a pity that the king only gave me ten. If there were a hundred. Artillery, no one can pass under my nose."
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Facing the invasion of Mongolian cavalry, Qi's strategy was to protect southern Hebei and then restore the Nanyi water defense line.
To this end, Wuxian led 10,000 Qi troops and 20,000 civilians to garrison the upper reaches of the Nanyi River, while Zhao Tai led 30,000 troops to mobilize the people of the seven states to restore the "Great Water Wall".
The Qi army's move immediately put the Mongolian cavalry who entered Qi's territory into trouble. They were unable to cross the Hutuo River to the south, entered southern Hebei to plunder, and were unable to cross the Yishui River in Henan to return to Mongolia.
Thousands of Mongolian cavalry were caught between the Nanyishui and Hutuo Rivers by the defense system picked up by the Qi army.
Faced with this situation, Mongolia will most likely send troops to take these cavalry back to the north bank.
The place that the Mongolian army may choose is where Wuxian built the city.
When Wokuotai returned from hunting, he learned from Yang Weizhong that after the Qi army built a city in the west of Baozhou, they immediately ordered their troops and horses to move from Hedong to Hebei.
At dusk that day, the Qi army and the people were building the city. Suddenly, a low trumpet sounded from the field, and Wo Kuotai led his army to kill them.
In the wilderness on the north bank of the Nanyishui River, the horns of the Mongolian army spread, flags fluttered, countless cavalry galloped in front, and the murderous Mongolian infantry and cavalry marched in endless formation behind.
At the front of the team at this time was a Mongolian flag. Wo Kuotai was riding on a horse with a gloomy face.
"Great Khan, according to the report of the cavalry who returned, Zhao Tai is overhauling fortifications on the south bank and wants to restore the Great Water Wall of the Northern Song Dynasty in Hebei. If he succeeds, then we will no longer be able to send cavalry, but instead plunder the Qi State and destroy Qi State's farming. Yes!" Yang Weizhong said in a deep voice.
Wo Kuotai frowned, "What was the effect of using water to replace troops in the Northern Song Dynasty to resist the Liao soldiers?"
Yang Weizhong said: "After the Northern Song Dynasty established a three-vertical and two-horizontal water network to defend against the Liao soldiers, the Song army's record was three wins in five battles!"
When Wo Kuotai heard that the Song army could win three times, his brows furrowed into the character "Chuan", "I will never allow Zhao Tai to restore the Great Water Wall of the Northern Song Dynasty."
Yang Weizhong said: "Now the Qi army relies on the Nanyishui River for defense. The only flaw in its defense line is the two newly built cities by the Qi army in front of it. If the Khan can capture it, he can reserve a channel nearly fifty miles wide for the cavalry to move south. . In this way, there will be a gap in Qi's defense line, and the Qi army will not be able to rely on the Nanyishui to stop our Mongolian cavalry from attacking."
"This Khan is bound to destroy the two cities of Langshan and Dong'an!" Wo Kuotai gritted his teeth, but then he was a little worried: "According to the soldiers who returned, the two cities of Langshan and Dong'an are equipped with the Qi army's new firearms and artillery. What do you think? Do you know anything about this kind of firearm?"
Yang Weizhong shook his head, "I only know that the navy of the Qi army used this kind of firearm in a water battle and defeated the navy of the Southern Song Dynasty! How powerful this kind of firearm is and what impact it has on the war still needs to be tested before we know."
At this time, the Mongolian army appeared on the north bank. Wu Xian immediately climbed to the top of the city, took out his telescope and looked into the distance. He saw the Mongolian army on the other side covered with mountains and fields, and was a little frightened.
Now that the city has not yet been built, the Mongolian army is coming to attack. Wu Xian can only withdraw his troops into the city and hold on to the spot.
Wuxian put down his telescope and immediately turned around and said: "Send your horse quickly to report to the king that the Mongols are attacking the border!"
