Liu Yu's "martial arts" can be called the best among the kings of the Southern and Northern Dynasties.
Liu Yu claimed to be a descendant of The Yuan of Han Chu, the authenticity of this we do not argue for the time being, but he is not a descendant of Liu Bang, the Emperor of Han Taizu, at most can only be said to be a descendant of Liu Taigong, and although Liu Taigong is Liu Bang's father, he is actually not considered one of the emperors of the Han Dynasty before and after his death, and the sharpness of the northern cavalry has always been a problem that has plagued the kings of all generations, and Emperor Wu of Song has set a precedent for infantry to cavalry, cavalry to infantry, whether it is mobility or impact, is far from being comparable to infantry, relatively speaking, Infantry is at a disadvantage, which is also the first pass of the Northern Expedition of Zu Ti Huanwen.
Liu Yu has actually abolished the possibility of the rule of the warrior clan through the Yixi Tujue, he has transformed into a military aristocrat through the military, and the struggle between the Han and the warrior clan, only the chain of contempt in the cultural sense, which cannot constitute the cause of Liu Yu's killing of the emperor, and Liu Yuzhi's growth experience, when he was young among serfs, young people threw themselves into the army, and did not contact high-end politics until middle age.
Liu Yu's recognition of that political tradition is relatively low, and may even be a little dismissive, his old boss, Liu Gaozhi, the suffocating operation he showed when he took sides, can spy on the political standards of the Beifu Army, Liu Yu has long relied on Liu Muzhi as a political staff, so in middle age, he only went smoothly and sang all the way, but after Liu Muzhi's death, plus Liu Yu was old after usurping the throne, Liu Yu's political standards plummeted, Liu Yu should be inferior from the heart, especially in the era of Han Jin, who paid attention to his origins. In his heart, he probably thought that Sima Shi was born noble, and in case someone raised the flag, he plotted for his descendants, and then he killed him, and I think the reason was very simple, that is, Liu Yu was afraid that someone would borrow it to serve the king.
We sometimes see the issue of history as too complicated, historical figures are also people, but also have their own personality weaknesses, for Liu Yu, Zhu Wen, Zhu Yuanzhang and other low-born figures, I do not advocate interpreting their decisions too systematic, because many of their decisions themselves are full of small farmers or hooligans.
Why Liu Yu killed Emperor Jin, my interpretation is that this is an irrational behavior, subject to Liu Yu's not high pattern, the previous example is not advisable, the Zen Emperor cannot be killed, before Liu Song, not to mention the ancient system of the Three Kings and Two Ke, closer to say, Wang Mang usurped Han did not kill Liu Baby, Cao Pi usurped Han did not kill Liu Xie, Sima Shi did not kill Cao Yi, and even Huan Xuan did not kill Sima Dezong, in other words, killing the Emperor was not in line with political practice, because the Emperor was precisely the source of your political legitimacy, and if the Emperor renounced the Mandate of Heaven, he would die , then you Liu Song must be more miserable, and when people compare Liu Yu and Cao Cao, Cao Cao was letting his son Zen, this risk is not much greater than your Liu Yu? People don't want to do it, I can't think of why Liu Yu did something to a person who is no longer an emperor, I think in history Liu Yu's men have definitely tried to dissuade it, but they still did it, and even trampled on the legitimacy of the dynasty underground, so this is definitely not a rational move.
History is full of many accidents and inevitability, and there are also many gods of war and emperors who have amazed future generations, and Liu Yu is an emperor with full force value that has long been ignored by history, worthy of the "Sea King God of War". As a rare emperor in China's history, Liu Yu's life can be said to be very legendary and inspirational.
References: "On the Chinese and Foreign Armies in the Early Liu Song Dynasty", "Liu Yu and the Reform of the Late Eastern Jin Dynasty", "Wei Shu Liu Yu Biography"
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