In the history of the Three Kingdoms, Zhuge Liang was praised as "a wise strategist", an important advisor and military commander of the Shu Han dynasty. However, after Liu Bei's death, Zhuge Liang's military achievements were not satisfactory, as he rarely won battles. Why was that?

Firstly, we need to understand that after Liu Bei's death, the power of Shu Han had been greatly weakened. During Liu Bei's reign, his prestige and charisma attracted a large number of talents, and his rule was relatively stable. However, after his death, the power of Shu Han began to decline, and there was a serious brain drain, which undoubtedly dealt a huge blow to Zhuge Liang's war plans.

Secondly, after taking over as the prime minister of Shu Han, Zhuge Liang faced enemies that were no longer scattered feudal lords, but the united states of Wei and Wu. Both of these countries had far greater national strength than Shu Han, and their rulers were also very talented, making Zhuge Liang's war plans even more difficult.

Thirdly, Zhuge Liang's choice of war strategy was also one of the reasons for his rare victories. He adhered to the strategy of attacking the Central Plains from the north, which was extremely difficult, requiring him to face powerful enemies and harsh geographical conditions, posing a huge challenge to the Shu Han army.

Finally, although Zhuge Liang's military achievements were not satisfactory during his tenure, his political contributions cannot be ignored. He implemented a series of reform measures that helped restore and develop the economy of Shu Han.

Overall, there are many reasons why Zhuge Liang rarely won battles after Liu Bei's death, including the weakening of Shu Han's national power, the unity and strength of the enemy, and the choice of war strategy. However, despite his lack of military achievements, Zhuge Liang's political contributions still deserve our recognition.

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