Pujin Pass, during the Warring States Period, Wei set up this for defense of the Qin State in Hexi, which was also called Puyangjin. During the Qin State, Qin Shihuang made a sprint road, leaving the Liyang Road from Xianyang north, which is the Pujin Pass Road. This road can be directly from Xianyang to Jinyang.

During the Han Dynasty, they began to set up passers-by in Pujin to ridicule. Cao Cao of the Three Kingdoms attacked Ma Chao and Han Sui, and ordered the generals Xu Huang and Zhu Ling to cross Puyangjin and occupy Hexi as a camp. Xu Huang wrote a letter to Cao Cao, saying that our army is now stationed in Tongguan, and Ma Chao will no longer defend Pujin, knowing that he has no plans.

During the Kaihuang period, Guanzhong, the capital of the Sui Dynasty attached great importance to traffic defense of Pujin Pass. He built a floating bridge on the Yellow River and built a city in the river, which was called Zhongli City. In ancient text, the meaning of sand in the water is 未. Therefore, the name of Zhongli City means building a city on sand in the river.

When Li Chongjiu's carriage arrived in front of Pujin Pass, the water and land attack on Pujin Pass had been launched for two days.

The war drums were beating under the city. Surrounded by the generals and staff, Li Chongjiu climbed up to the platform and looked into the distance.

But the turbid yellow Yellow River flowed through the distance, and hundreds of black warships floated on the surface of the Yellow River. These warships were attacking fiercely along the river, Zhongli City in the river.

The generals in charge of the attack were Li Yuanji and Li Yuan. But when he saw Li Yuanji personally holding a halberd, he stood on the bow of the ship, and shouted to command the left and right soldiers. The front row of boats approached the city, and the Zhao army crossbowmen standing on the bow continued to shoot into Zhongli City with rockets. Several places were lit in Zhongli City, and black smoke was rolling.

On the water surface, Li Yuanji ordered the Zhao army fleet to approach the city, and threw the firewood into the city with firewood piles and burned the city. In the city, the Tang army also fought desperately out of the city to resist. Intercepted the Zhao army's fire ships, and shot the Zhao army into the city and threw the firewood firewood outside the city.

The fierce battles on Zhongli City were very fierce, and they were also ordinary on land.

After failing to attack Zhao twice, Li Tang strengthened his defense against Pujin Pass. Last year, he conquered 50,000 civilians and rebuilt Pujin Pass. In addition to the four gates, six docks were built, and a layer of rammed loess earth wall was built outside the docks, forming a separatist with a city in the city.

For the city that Li Tang struggled to build, even with the courage of Luo Shixin, Su Dingfang's plan, Yuchi Gong's heroic attacks, and three famous generals of the Zhao army attacked for two days, but still did not shake the defense of Pujin Pass.

The order Li Chongjiu issued to the three was to cross the Yellow River within three days, and today is the third day. The three of them, together with Li Yuanji and Li Yuan, followed the river and went straight down a total of 45,000 troops. They were also anxious and launched the most fierce offensive towards Pujin Pass.

Looking from the high platform, I saw that at the east gate where the fiercest distance between the fierce battle, the attack lineup of tens of thousands of Zhao troops was like a undulating ocean, with soldiers in front of them holding giant shields. The second row of soldiers in the second row were holding powerful crossbows, while the soldiers behind raised the siege ladder and heading down the city.

The outermost layer of rammed wall was half demolished by the Zhao army, and the soldiers easily rushed through the middle. At the east gate, the six forts built by the Tang army were also captured by the Zhao army. On the remaining three, the Zhao army soldiers were also attacked by the Yiyi.

General Yuchi Gong sat near the rammed wall and directed the siege.

As for the other Zhao soldiers, led by Luo Shixin and Su Dingfang, the Tang army at the east gate was launched. On the wall of Pujin Pass, the Chengzi flag fluttered high, and rolling wooden stones kept falling from the top of the city. The Zhao army attacked the city braved arrows and attacked the city.

The Zhao army's attack was very fierce, but the Tang army also fought very bravely under the disadvantage of military strength.

Li Chongjiu looked for a while and said to the left and right: "Look at the six forts built by the Tang army at the front of the East Gate, it has effectively divided our army's attacking forces. Let our army attack the city wall not be concentrated together, and the formation is destroyed. It will be futile if we continue to fight like this. Who is the general of the Tang army defending the city?"

"Cheng Zhijie, also known as Cheng Yaojin."

Li Chongjiu suddenly said, "It turns out it's this person."

At this time, the fast horse galloped towards the high platform, and a cavalry jumped off the horse and reported to Li Chongjiu: "Your Majesty, on the west bank of the Yellow River, you have discovered the Li Tang army and the flag of the Li Tang Emperor."

Hearing this, the generals of the Zhao army were shocked. Li Shimin actually visited Pujin Pass in person, and this was his plan to fight against Li Chongjiu by the Yellow River.

Li Chongjiu looked into the distance on the high platform, but when he saw that it was indeed on the west bank of the Yellow River, countless military flags suddenly appeared, and the sight of dust was filled with smoke and dust. The momentum seemed very large, but the distance was too far, so I couldn't see how many soldiers were.

Li Chongjiu thought to himself: "If Li Shimin really came here to guard Pujin Pass, why did he give up Jiangzhou so easily before? Without Jiangzhou, wouldn't it be very passive to guard Pujin Pass?"

Li Chongjiu said to Ji Chuan: "The west bank is too far, our army cannot detect it. We don't know the specific forces of the enemy. But I see that these ten are Li Shimin's suspicious strategies, and his main force will not be here."

Zhang Xuansu said on the side, "Your Majesty, I also think that if Li Shimin really intercepts us at Pujin Pass, what is the difference between this and the hard defense of Chang'an? As long as our army confronts him from east to west of the Yellow River, then when Wang Jungu's Western Route Army arrives, Li Shimin will undoubtedly be in a dilemma of being attacked from both sides, and he will not use this trick."

Yu Shinan said: "But we can't guess that it is not. If Li Shimin really leads the main force on the west bank, then our army rashly crosses the river and attacks, and there will be a danger of being attacked by the Tang army halfway."

Speaking of this, Yu Shinan paused and said to Li Chongjiu: "The Tang army had been guarding Pujin Pass to prevent our army from crossing the Yellow River west. If it was delayed, it would be unfavorable for the march. I dared to suggest to Your Majesty that you should bypass Pujin Pass, go south from Jiangzhou to Longmen Pass to cross the river, from Yumenkou to Hancheng, and then pass through Heyang to Tongzhou to attack Chang'an."

After listening to Yu Shinan's words, Li Chongjiu became meditated.

Yu Shinan's suggestion was to cross the Yellow River from Longmen Pass upstream of Pujin Pass. Longmen Pass is where carp jumps over Longmen. It is not impossible to advance from here, but the route was extended by more than 200 miles, and the grain route and supply lines were also more than 200 miles away.

As soon as Yu Shinan finished speaking, Zhang Xuansu immediately opposed: "Your Majesty, Pujin Pass is the key to Guanxi and the convergence of Hedong. If you capture this Pass, Guanzhong will be shaken. How can you take a detour because of your fear of difficulties?"

Ji Chuan said: "It's not just a temporary situation to attack Pujin Pass. At present, our main forces gathered at the city, and 200,000 troops broke through this small city without any effort. As for Li Shimin on the other side, Weichen believes that even if he really comes here, there is no need to worry."

When Li Chongjiu listened to Zhang Xuansu and Ji Chuan's opinions, he also agreed: "I agree with Zhang and Ji Erqing's meaning. However, Yu Aiqing's opinions inspired me and ordered Li Yuanji to carry 5,000 Xue Wanjun's troops to land at Longmen, pretending to be a division of troops. In fact, our army is still mainly attacking Pujin Pass!" (To be continued, please search for astronomy, the novel is better and faster!
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