The State of Wei was one of the divided regimes during the Three Kingdoms period, and later historians often called Cao Wei, which was the most powerful state among the Three Kingdoms.
At the end of the Eastern Han Dynasty, the Yellow Turban Rebellion, the world was in chaos, the masses were chasing deer in the Central Plains, the Han court was weakened, and Cao Cao in the north gradually increased his strength in various warlord melee, and controlled the Eastern Han Court, laying a solid foundation for the establishment of Cao Wei. Later, Cao Cao was given the title of Duke of Wei, and the seat of government was set at Yicheng, where Wei Was located during the Eastern Han Dynasty, so his son Cao Pi later called the empress dowager "Wei".
In the first year of Yankang (220), Cao Pi forced Emperor Xian of Han to officially replace the Han Dynasty and establish Cao Wei, with the capital luoyang. However, in the second year of Xianxi (265), Sima Yan of the Sima family usurped Wei and changed the name of the state to Jin, and Cao Wei perished.
Later, there was a sentence after the break that said: "Sima Zhao's heart - everyone knows it", which means that the Sima family has long had ambitions to seize the power of the Cao clan. So did the Sima family seize the Cao family's world because Cao Pi died too early? If Cao Pi could live for another twenty years, would the Sima family be successful?

The author believes that the Sima family's seizure of the Cao family's world is an inevitable result, no matter how many more years Cao Pi lives, the Sima family will eventually usurp the Cao family's world to establish a new political power.
First, Cao Pi suppressed the clan
Emperor Cao Cao of Weiwu actually had many children, but because Cao Cao made a major mistake that year, during the battle with Zhang Xiu, Cao Cao's eldest son Cao Ang went with his father to wancheng, and as a result, he was defeated and killed. This directly led to Cao Cao's sons beginning to secretly wrestle with each other and covet the throne, and Cao Cao also made tangled trade-offs between Cao Zhi and Cao Pi.
Cao Zhi competed with Cao Pi for the position of Shizi for a long time, but eventually ended in defeat.
During the reigns of Emperor Wen and Emperor Ming, Cao Zhi was repeatedly restricted and attacked. But in fact, it was not just Cao Zhi, after Cao Pi ascended the throne, he greatly suppressed the noble family.
On the one hand, he divided the clans, but only gave the title of empty title, not actual power.
In the various sub-fiefs before Cao Wei, the princes of the clan had autonomy in the territory: the right to appoint and dismiss officials, the financial power to finance and taxation, and the military power to lead troops in battle and raise soldiers, but Cao Pi did not give any of them. Even if they were given the right to lead the troops in some areas, they were only some old, weak and disabled soldiers, and there was no possibility of rebellion at all.
On the other hand, he constantly moved the territories of the princes so that they could not stay in their own territories for a long time.
Take Cao Zhi as an example: in the sixteenth year of Jian'an (211), he was first enfeoffed as the Marquis of Pingyuan, and in the nineteenth year of Jian'an (214), he was renamed the Marquis of Linzi. In the second year of The Reign of Wei (221), Emperor Wen of Wei demoted him to Marquis of Anxiang (安乡侯), and soon changed his title to Marquis of Juancheng (Juancheng), and in the third year of The Reign of Huang (222), he was made the Prince of Juancheng. In the fourth year of the Huang Dynasty (223), he was created the King of Yongqiu. In the first year of the Reign of Emperor Taihe of Wei (227), junyi of the Wei Dynasty, the second year of Taihe (228), the restoration of Yongqiu, the third year of Taihe (229), the relocation of Dong'a, the sixth year of Taihe (232), and the title of King of Chen in Chen Si County.
Second, the uncontrolled empowerment of the Sima family
While Cao Pi continued to suppress the clan, he constantly gave power to the clan clan.
During Cao Zhi's struggle for the throne with Cao Pi, Sima Yi always supported Cao Pi, so he was also reused during the Cao Pi period. In the chinese dynasties and dynasties, the family or foreign relatives and clans need to find a balance point, so as not to be chaotic. However, Cao Pi overpowered the clan and attached importance to Sima Yi's unguarded military power. This directly enlarged the Sima family, so that the strength of the Sima clan continued to expand, only waiting for the death of the elder figure of the Cao clan, the Sima family could have the capital to usurp the throne.
The sima family's founder Sima Yi,the founder of the Cao family's usurpation of the Cao family's power, was too deep to be patient and scheming, and directly toyed with the entire Cao family in the palm of his hand. Cao Pi ignored the words of his father Cao Cao and constantly relied on Sima Yi to suppress the clan. If Cao Pi lived for twenty more years, he would not be able to change this ending, and it would even become more intense.