Daoguang three years, Song Taizong died, Prince Zhao Heng acceded to the throne for Song Zhenzong, and Kouxian served as assistant minister of the Ministry of Industry. Song Zhenzong hoped that Kouxian would serve as prime minister for a long time, but he was worried that Kouxian's straightforward personality would make it difficult to be independent.
Liao took advantage of the opportunity of establishing a new government in Song Dynasty to harass the border more frequently. In the second year of Xianping, the Liao army was defeated in Gaoyangguan, and Song and Cao were captured alive and were all arranged to plunder. In the sixth year of Xianping, the Liao army invaded Gaoyangguan again, and Song Jun, the lieutenant, was dispatched and captured, and then fell to Liao. These two wars greatly shook the court of the Northern Song Dynasty.
In the first year of Jingde, there were frequent border emergency documents, saying that the Liao army was going to invade on a large scale again. In June this year, Bi Xiang, who participated in politics, recommended Uncle Kou. Bi said, "Kou Shu is talented and loyal, and can break great events; Be a martyr and hate as much as hate. Today, the north invades the strong, and only the yi can defend the enemy and protect the family. " In August, Kouxian and Bi paid a memorial service on the same day, and Kouxian listed Bi as a university student in Jixian Hall.
In September, Liao Shengzong and his mother, Xiao Taihou, led 200,000 troops to start from Youzhou and push south. The Liao army attacked Dingzhou and was stopped by Song Bing, so it turned to the southeast.
When the Liao army went south, it was "urgent to arrive at five o'clock one night". Most of the upper echelons of the imperial court were frightened, and Song Zhenzong also showed great fear. If the king of Qin who knows politics is from Jiangnan, he advocates moving the capital to Jinling; Chen Yaocuo, a close friend from Sichuan, proposed to move the capital to Chengdu. Only Uncle Kou and Bi insisted on resisting. When Song Zhenzong asked their opinions, Wang Qinruo and Chen Yaomao were present. Curtis knew that Wang and Chen proposed to move the capital, but pretended not to know. He said: "Those who plan to move the capital should be guilty. Today, your Majesty is SHEN WOO the Great, and the military commanders and civil servants are one. If you can use your personal expedition, the enemy will naturally run away. Or go out and surprise the enemy's plan, hold your ground, kill the enemy's morale and make the enemy exhausted. Judging from the tired and comfortable situation between the enemy and ourselves, we are sure to win. Why abandon ancestral temples and society and go to remote places like Chu and Shu? If so, people's hearts will collapse and the enemy will take advantage of it. Is the world still saved? " Kou Xian's opinion finally prevented the compromise faction from fleeing the enemy. In order to eliminate the influence of Wang Qinruo, KouShu transferred him from the front line of Tianxiong Army to guard against Liao soldiers.
Uncle Kou sent spies to the front to inquire about the situation, and based on the analysis of the enemy's situation, he formulated a set of anti-enemy strategies. At the same time, KouShu particularly stressed that in order to boost morale and strive for greater victory, Song Henian
In October, Liao soldiers captured qi zhou, pushed southeast, passed through Zhou Bei, and captured Tang Zhou at the city gate. As a result, not only a large area of Hebei fell into enemy hands, but even Bianjing, the capital city separated by a river, was exposed to the threat of Liao cavalry. In the face of facts, only the loyal opposition of the enemy is the only way out. Timid Song Zhenzong, urged by KouShu, finally decided to go on an expedition in person. But there are still many people in the imperial court who have no confidence in fighting Liao. They used illness or poor astrology as an excuse, unwilling to lead troops to the Northern Expedition, and made irresponsible remarks about Uncle Kou's personal expedition.
At KouShu's urging, Song Zhenzong asked Wang Yong to stay in Beijing and drive north by himself. When the car drove slowly to Weicheng, the news that Liao army was approaching came from the front like snowflakes. Some courtiers advised Zhenzong to go to Jinling to avoid the enemy, but Zhenzong wavered again. Uncle Kou knows how to grasp the military principle of "winning by strength" and the morale of the people. He reminded Zhenzong that under the situation that all sides are enemies and crises, they can only move forward, not backward. If you advance, your morale will multiply, but if you retreat, you will collapse. Gao Qiong, the former abbot, also supported Kouxian's opinion. Song Zhenzong drove north and finally arrived in Tang Zhou. During the Song Dynasty, the Yellow River flowed through Tang Zhou, dividing Tang and Zhou into two parts.
The Liao army has arrived near the north city, afraid to cross the river, but only willing to station in the south city. Cory asked to cross the river, but Shinzong hesitated. Kousi said to Gao Qiong, "Qiu, thanks to your kindness, can I repay you today?" Gao Qiong said: "I am a soldier and I am willing to die for my country." So KouShu discussed with Gao Qiong and went to see Song Zhenzong together. Kouxian said to Song Zhenzong, "If your majesty thinks what I just said is not reliable, you can ask Gao Qiong." Before Shinji could speak, Gao Qiong said, "What Kouxian said is not unreasonable. The parents and wives of the soldiers in the army are all in the capital, and they will not abandon their homes and move to the capital with you, and flee to Jiangnan alone. " Then, Gao Qiong asked Song Zhenzong to start crossing the river immediately. Zheng Feng of the Privy Council accused Gao Qiong of being reckless with Song Zhenzong. Gao Qiong retorted angrily, "You, Zheng Feng, became a minister of two dynasties just because you could write articles. At present, the enemy soldiers are challenging me. I urge the emperor to go out to war, but you blame me for being rude. If you have the ability, why not write a poem to let the enemy retreat? " Gao Qiong ordered the guards to turn the new car to the north city. When crossing the pontoon bridge, Gao Qiong simply drove the guards forward. As soon as the real Huanglong Banner appeared on the Ganzhou rostrum in the north, the soldiers and civilians of the Northern Song Dynasty at the gate immediately cheered and thundered, with a hundred times the momentum. After a symbolic visit to the northern city of Shanzhou, Song Zhenzong still returned to the palace in the southern city, and put Kouxian in charge of the operation in the northern city. Song Zhenzong sent someone to visit KouXian several times. KouShu and intellectual patent Yang Yi are drinking and playing chess on the rostrum, which is very calm. See Curtis have answers, Song Zhenzong hanging heart also put down a lot.
Since the Liao invasion, the military and civilians throughout the country have fought bravely against the enemy. Although the Liao army claimed to be 200 thousand, it fought alone, with long supply lines and lack of food and grass. After October, the Liao army was losing ground on the battlefield. Especially when inspecting the northern city, Xiao Tuo, a pioneer of Liao army, was shot to death by an elite bed crossbow at the gate, which greatly shook the morale of Liao country. Therefore, Lu Yun, the prime minister of Liao Dynasty, estimated that he could not get any advantage on the battlefield, so he turned to the Song Dynasty for peace in an attempt to gain benefits from the negotiating table that could not be obtained on the battlefield.
Song Zhenzong has no determination to resist the enemy. Almost at the same time when he left Beijing for personal expedition, Cao Liyong, the messenger of the Song Dynasty, was also sent to the Liao military camp. Cao Liyong was a junior official at that time. During the confrontation between Liao and Song Dynasties, Cao Liyong always shuttled between the two armies. The emperor of Liao was also associated with Song Hehe, who was captured in the battle the year before last. Liao people's peace proposal is to "return" the "southern irrigation land" captured by the Northern Expedition in Song Dynasty. Song's condition is that as long as Liao withdraws its troops, it can give Liao some silver wires every year, but it disagrees with territorial claims. The negotiations took place during the confrontation between the two armies. Finally, an agreement was reached on the terms of Song Fang. The remaining question is how much silver wire to give Liao every year. Before Cao Liyong left, he asked Song Zhenzong, and Shinzong said, "This is the last resort. One million dollars will do. " Cao Liyong had just come out of Song Zhenzong Palace when he was stopped by KouShu waiting outside the door. Brother Kou exhorted, "Although there is an imperial decree that can be discussed, we can't promise more than 300,000 pieces of silver. Otherwise you don't have to come to me again, then I'll cut your head off! "
Uncle Kou has always opposed peace talks and advocated taking advantage of the situation to send troops to recover lost ground. The Lord sent Ning to dispatch Yang, and the Liao soldiers were exhausted, so they could attack and annihilate, and they could take the opportunity to capture several states in Youyan. However, due to Song Zhenzong's commitment to peace, compromise prevailed. They attacked Uncle Kou's self-esteem and even said that he was up to something. As a last resort, KouXian and Yang were forced to give up the idea of the main battle. Under the planning of the Compromise School, in the same year, in 65438+February, Song and Liao concluded a peace treaty. This is the famous "Tang-Yuan Alliance" in history.
In this battle between Yuan and Mongolia, the Liao army was strongly countered, which made the Liao rulers realize that the people of the Central Plains should not be underestimated. From then on, the Liao army never dared to launch a large-scale invasion. After the alliance of the single source, the Song and Liao borders were peaceful, the trade was prosperous, and the people's lives were stable.
From actively defending the enemy to forming an alliance with Tang and Yuan Dynasties, Kou Shu won the title of courtier, which made Song Zhenzong respect him more, aroused the envy of compromise bureaucrats and caused unexpected disasters.