In the long history of the Three Kingdoms period, the downfall of the Shu Kingdom has always been a controversial topic. Among them, Jiang Wei, an important general of the Shu Kingdom, is considered to be the culprit of its downfall. However, is this view accurate? This article will delve into this issue.

Firstly, we need to understand Jiang Wei's historical background. Jiang Wei was an important general in the later period of the Shu Kingdom. He continued to implement the policy of northern expedition after the death of Zhu Ge Liang. However, due to the declining strength of the Shu Kingdom, coupled with internal conflicts and external pressures, the achievements of the northern expedition were not significant.

Some people believe that it was Jiang Wei's persistence in the northern expedition strategy that consumed a lot of human and material resources of the Shu Kingdom, pushing the country into a difficult situation. In addition, his strategic mistakes are also considered as one of the reasons for the downfall of the Shu Kingdom. For example, he was defeated by Deng Ai's surprise attack in the Jian Ge Battle in 263 AD, which led to the opening of the gateway of the Shu Kingdom and its ultimate destruction by the Wei Kingdom.

However, we cannot ignore the impact of other factors on the downfall of the Shu Kingdom. Firstly, the geographical location of the Shu Kingdom determined its strategic disadvantage. It was located in the westernmost position among the three kingdoms, bordering both the Wei and Wu Kingdoms, which put it at a disadvantage in war. Secondly, the population and economic foundation of the Shu Kingdom were relatively weak, unable to support long-term large-scale wars. Finally, internal conflicts within the Shu Kingdom were also important reasons for its downfall.

Overall, although Jiang Wei's strategic mistakes had some impact on the downfall of the Shu Kingdom, he cannot be regarded as the sole reason for its downfall. The downfall of the Shu Kingdom was the result of the combined effects of various factors, including geographical environment, population economy, internal conflicts, etc. Therefore, it is unfair to blame Jiang Wei entirely for the downfall of the Shu Kingdom.

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