In the last years of the Eastern Han Dynasty, the masses rose, in order to compete for power, the heroes of various places haojie automatically formed a team, and finally divided the world into three kingdoms, wei, Shu and Wu. Among the Three Kingdoms, the most powerful and territorial power was Cao Wei in the north; the second was Eastern Wu on the coast; and finally the Shu state in Shu.
Those familiar with the Three Kingdoms may know that the Shu state existed for a very short time, and in these 42 years, it did not have a single peace, almost all of them spent time in war, and their biggest enemy was the Northern Wei. Many people will wonder, since the strength of Shu Han is so poor, why do they have to fight hard with Northern Wei? Couldn't it be possible to implement roundabout tactics and attack other areas on the shu han's border?
Han Orthodoxy
We all know that Liu Bei was a commoner at the beginning, but only because at the time of the uprising, he claimed to be a descendant of the Han people, so he has always been under the banner of "Reviving the Han Room". It turned out that this banner was very useful, and Liu Bei received many people on the road who came to run, and many of them came to this banner. Liu Bei also made full use of this banner and occupied Jingzhou, and the people of Jingzhou also submitted to him.
On the other side, Cao Wei also has the name of "Han Room". At the end of the Eastern Han Dynasty, Cao Cao was promoted by Emperor Xian of Han and asked him to control some of the wars. Cao Cao also lived up to expectations and helped Emperor Xian of Han quell many uprisings. But Emperor Xian of Han did not know that his behavior was to "lure the wolf into the room" .
Cao Cao's power grew, and even his son Cao Pi's power grew, and after Cao Cao's death, Cao Pi united with various officials of the imperial court to plot rebellion. Finally, when the time was ripe, Cao Pi persecuted Emperor Xian of Han, who had no choice but to give way to Cao Pi, and the state of Wei was established.
The monarch of the State of Wei was personally zenified by the monarch of the Eastern Han Dynasty, so he had Han orthodoxy, while on the other hand, Liu Bei of Shu Han was also a descendant of the Han Dynasty and also possessed Han orthodoxy. The so-called one mountain does not tolerate two tigers, and two countries that have Han orthodoxy at the same time regard each other as a thorn in their eyes, so there are more wars between the two sides. And Liu Bei was even more in order to prove that he was the orthodox han room, so he kept on a crusade against Cao Wei, hoping that the Shu kingdom would "revive the Han room and return to the old capital" as he thought.
The situation in the south is chaotic
And in addition to the orthodoxy of the Han Dynasty, Liu Bei, as a monarch, should also consider his country for a long time, rather than blindly gambling. For the country, the most important thing is to expand the territory, but in contrast, the Shu Han Dynasty did not have any behavior of expanding the territory to the south.
It turns out that the south not only has a poor climate and terrain, but also has a lot of tribes, and the power is very chaotic.
The southern part of the Shu Han Dynasty was Yunnan and other places. Yunnan and other places are complex terrain, generally alpine valleys, and the mountains are surrounded by economic underdevelopment. Although the climate is mild and the temperature difference is small, it is suitable for growing food, but the area of land is very small. As far as the Shu Han who lacked grain was concerned, such a place was not worth developing, and if vigorously developed and required a lot of manpower and material resources, these were all things that the Shu Han could not afford to consume.
The ethnic minority forces in the southern region are even more lamentable. During the Three Kingdoms period, people in Yunnan and other places were called "Southern Barbarians", and from this title, we can see the degree of barbarism of these people. The Southern Barbarians did not have a complete state system, but were all small group forces formed by one tribe after another. And these forces, relying on their topographical advantages, are thriving in the local area, and it is impossible to completely eradicate them.
Therefore, while not invading the south, and in order to make the southern barbarians peaceful, the Shu state sent Zhuge Liang to suppress it, and the seven captured Meng, so that the southern barbarians were afraid of the Shu state.
The terrain in the west is precarious
The west of the Shu Han Dynasty was a plateau area, and if you wanted to expand your territory, you had to cross the lofty mountains, which was not in line with the situation of the Shu Han at that time. The national strength of the Shu Han Dynasty was already weak, and it was already unable to resist Wei and Wu, and it was completely impossible to devote energy to crossing mountains and mountains and attacking the West again.
The ethnic minorities in the West are the Tubo known to the Tang Dynasty, and the strength of the Tubo nation is very strong, and even the Tang Dynasty, which has strong national strength, has no way to take them, and can only communicate with relatives, not to mention the Shu Han whose national strength is not good, so it is not feasible for the Shu State to open up territory in the West.
From various aspects, it can be seen that the demise of the Shu Han Dynasty was the trend of the times, and in the war years, it was very common for weak and small countries to be destroyed.