Turn left: In order to kill the enemy, the Duke of Jin went astray again. Gong Jian:? Guo, Yu Zhizi also. If you die, you have to die with it. Jin can't be promoted and you can't be embarrassed. What is this? What is this? So-called? Auxiliary cars live together, and their lips are dead and their teeth are cold? Wei, its danger, Guo said. ?
In the Song Dynasty, after 1000 years, it was well known that the lips were dead and the teeth were cold. Didn't the rulers of the Song Dynasty know? Moreover, after the Northern Song Dynasty learned the lesson that uniting Jin to destroy Liao eventually led to the shame of Jingkang, did the Southern Song Dynasty also unite Meng to destroy Jin?
It can be said that it was indeed short-sighted for the Northern Song Dynasty to unite with Jin to destroy Liao, but it was out of helplessness in the Southern Song Dynasty. Why do you say that? Shall we take a look at these two together? Cold lips and teeth? The difference between events.
The Northern Song Dynasty unified Jin and destroyed Liao.
Under the long-term oppression of the Liao Dynasty, the Nuzhen people in Northeast China constantly struggled, and under the leadership of the Nuzhen hero Yan Hong Akuta, they constantly defeated the Liao army and established their own political power? The state of Jin, the state of Jin established itself, is a period full of expansion spirit. At the same time, the internal affairs of Liao country became increasingly corrupt and infighting, and they continued to expand, occupying the territory of Qidan in the northeast and forcing them to the capital of Liao country.
With the prosperity of the country and the decline of the Liao country, Song Jun and Chen believed that the Liao country would be destroyed sooner or later, and they could take this opportunity to recover the sixteen states of Youyun.
Therefore, the Song Dynasty sent messengers to contact the State of Jin, regardless of the peace that lasted for nearly a hundred years between Song and Liao, tearing up the treaty and making an appointment to attack the State of Liao and sign it. Maritime alliance? .
The idea of the Northern Song Dynasty is good, but it ignores two points: First, the Song Dynasty itself is very weak, especially after the signing of the Great Lakes Alliance between the Northern Song Dynasty and the Liao State, the Song Dynasty and the Liao State were relatively peaceful for nearly a hundred years, and there was no major war. Long-term peace made the Song army, which had always valued literature over martial arts, even weaker. In Song Dynasty, internal affairs were corrupt and officials were chaotic. The social crisis in the Song Dynasty defeated the Liao army.
Second, the lips die and the teeth are cold. Once Liao perished and Jin and Song directly bordered, a new conflict was bound to break out. Compared with Liao, Jin is a country of tigers and wolves. Jurchen is not satisfied with 10 thousand, but invincible? It can be seen that the fighting capacity of the 8 Jin Army at that time was far above Liao, and after Song and Jin lost the buffer zone, Dasong was even more dangerous.
However, the temptation to recover the sixteen states beyond the achievements of their ancestors obviously made them ignore the truth that their lips are dead and their teeth are cold. Therefore, in the process of attacking Liao country, our incompetence further stimulated our ambition. Boy, the mighty army of hundreds of thousands, most of them returned empty-handed. In such a big song dynasty, the fighting capacity of the army was not as good as that of the defeated soldiers in Liao country. If you don't beat them, who will you beat?
After the demise of Liao, the Jin army pressed hard and harassed the territory of Song, and the war between Song and Jin continued. Song Jun's fighting capacity was poor, and the Emperor of Song Dynasty was incompetent and cowardly in the face of war, which eventually led to the invasion of Bianjing and the humiliation of Jingkang.
The demise of the Northern Song Dynasty was not only due to the weakness of its own strength and the cowardice of the emperor, but also due to improper strategies and neglect of the truth that the lips were dead and the teeth were cold.
In the Southern Song Dynasty, Lian Meng destroyed gold.
After the Jin Dynasty destroyed Liao and Northern Song Dynasty, it was impossible to completely defeat the Southern Song Dynasty. The Southern Song Dynasty fought several battles with the Jin Dynasty and finally formed a confrontation on the front line of Qinling and Huaihe River. After the demise of Liao, Jin was unable to inherit the original rule of Liao in grassland areas. However, after controlling Xinjiang and Central Asia, Yeleshi, who was advancing westward, was unable to control the grassland.
In the grassland area in a political vacuum, the internal tribes struggled and merged with each other. Finally, under the leadership of the grassland hero Temujin, the Mongolian begging department gradually became strong and unified, and Mongolia was established. After the establishment of Mongolia, it conquered everywhere and attacked the rulers in the name of revenge.
At this time of the Jin dynasty, the long-term singing and dancing made the fighting capacity of the Jin dynasty army decline, which was not the same year? Jurchen is not satisfied with 10 thousand, but invincible? Jurchen warriors, rulers, princes and ministers have also degenerated in their long-term infatuation and lost the hearts of the people.
Is the Nuzhen army, which has been at peace for a long time, an opponent of Mongolian fighters forged in battle? Is the decadent Jin Dynasty an opponent of the new aggressive Mongolia?
As a result, under the successive blows of the Mongols, the rulers were constantly defeated and the territory was constantly compressed. However, with the natural barrier and precipitous letter of the Yellow River, Jin Guo is still struggling to resist.
It was here that the Mongols thought of crossing the Song Dynasty and attacking Xu Jin from behind. The Southern Song Dynasty learned the lesson of the demise of the Northern Song Dynasty, and the truth that the lips are dead and the teeth are cold is more profound. Will it be easy to promise Mongolia? In the Song Dynasty, more voices supported and helped the Jin Dynasty to fight against Mongolia, making it a barrier to the Southern Song Dynasty. Therefore, the Song Dynasty has been secretive, prevaricating the Mongols.
But at this time, the rulers of the Jin dynasty, who were losing ground to the Mongols, thought that they were not enough for the Mongols in the north, but more than enough for the Southern Song Dynasty, and tried to pass? Take the compensation to Song? The way to make up for, launched a war on the song dynasty. Don't you know that Jin Jun at this time is no longer the Jin Jun at the time of Jingkang's shame, and it is simply unable to defeat the Southern Song Dynasty.
The Song-Jin War lasted for seven years, but Jin didn't come true? Take the compensation to Song? Purpose, but also lost the opportunity to rest, consumed a lot of troops in the Song and Jin wars, and suffered heavy losses, as the "Golden History" said: Xuanzong south expedition, chariots and horses damage different? ,? The national elite is almost lost? ,? Do troops ride in the south? .
However, even so, the Song Dynasty did not adopt the strategy of uniting Mongolia to destroy the gold, always keeping in mind the truth that the lips are dead and the teeth are cold, and still wanted to help the Jin State guard the back door to delay its demise. History believes that it is rare for the Southern Song Dynasty to keep a clear head in such a current situation.
Facing the uncooperative Song Dynasty, the Mongols decided to adopt the strategy of forced passage. In April (123 1), the Mongols entered the Song Dynasty. However, due to Song Jun's previous misjudgment that Mongolia entered from other places, Song Jun had no time to redeploy for a while and could only watch the Mongols enter the customs. To make matters worse, coach Gui Ruyuan forgot his responsibility at this time. Instead of organizing effective resistance, he fled to Hezhou to hide. Then the situation deteriorated and took the initiative to attack? Borrow? The Mongols provided food and guides, and the Mongols passed through Sichuan smoothly.
In this case, Song Ting urgently ordered Jinghu to let Chen Zhi lead the troops to reinforce Sichuan, but Chen Zhi didn't take it to heart, thinking that it was only Mongolian rangers who came to harass and sent only three thousand people to Jinzhou. Soon, the Mongols defeated Song Jun in Jinzhou, and quickly went south along the Hanshui River to the southwest of Beijing. At this time, Chen Zhi realized the seriousness of the situation and quickly sent Meng Gong to intercept it, but it was too late. The Mongols who escaped the pursuit of Meng Gong successfully entered Xu Jinguo and attacked the rulers from behind, and the rulers were defeated again.
After this crushing defeat, the rulers were badly weakened, and it was only a matter of time before they perished. It has lost its value as a barrier in the Southern Song Dynasty, and the policy of uniting Mongolia and destroying gold in the Southern Song Dynasty began to occupy a dominant position.
It can be seen that the Southern Song Dynasty was different from the Northern Song Dynasty, and the Northern Song Dynasty was indeed an improper policy. It was a relatively favorable choice when necessary in the Southern Song Dynasty, but it was lost in the Jin Dynasty. Lips? Role selection after that.