In this way, the situation of the whole war is roughly clear:
In August 244 AD, Wu led 10,000 troops into Koguryo, defeated Dongchuan King twice in boiling water and Liangkou, and killed more than 18,000 people in Koguryo, who claimed to be 20,000 people. King Dongchuan fled to Dongwoju with his wife and 1000 riders. 10, Wei Jun captured Maruko, the capital of Koguryo, and slaughtered it. Later, Wu and Ji Zai Ma Rudu were sitting in the town, and did not send the satrap Xuantu to pursue Dongchuan Wang and others. On the other hand, the satrap Liu Mao and the satrap Fang Gong Zun attacked the alien species who had attached themselves to Koguryo. Leading the army to pursue, once again defeated the rest of the Dongchuan king. Later, Wei Jun was killed in Wokuotai, which will help Koguryo fall and slay more than 3,000 people. King Dongchuan once again fled into the territory of North Japan, and Wei Jun pursued further punishment. However, under the loyal protection of his subordinates, King Koguryo finally killed a small group of Wei Jun and was able to hide. Wang Qi's main force continued to move northeast until it reached the border between Beiwoju and Sushen. And Liu Mao and Gong Zun also successfully breached the city, forcing impatient Hou Ju to surrender. By the beginning of AD 245, the whole campaign was basically over, and others finally made great achievements in stone carving, and returned to Li's hands in May 245.
Although Wei Jun won an unprecedented victory on the frontal battlefield, Wang Qi's invasion of the Russian coastal area was the first conquest of this area in China's history, but it was attacked by the Koreans behind it. Mahan Baekje Chen Zhi may have been instigated by the remnants of the Gongsun family hidden among Koreans, and even dared to sneak attack the border people in Lelang County at the end of 244, taking advantage of the emptiness of Le Lang. This behavior is undoubtedly a provocation. On the one hand, it may be estimated that Goguryeo may not be defeated by Wei Jun; on the other hand, it may be relying on Wang's strength to deliberately provoke the contradiction between Wei and Han. If there is also a war disaster between Wei Dynasty and Koguryo War, Liaodong and North Korea may fall into chaos, then the Gongsun family's rejuvenation movement is very likely to be realized. This is the ultimate goal of gongsun's remnants.
However, Goguryeo looked vulnerable in front of Wu's army, and their repeated battles and defeats made Wei Jun seem to have won a great victory easily. In less than a year from August 244 to May 245, Wei Jun not only wiped out all the troops of King Dongchuan, but also conquered Koguryo vassal states such as Dongyuju, Beiyuju and Aiqi. Therefore, Baekje Chen Zhi, despite being incited by the remnants of the Gongsun family and his own ambitions, was in awe of Wei Jun's fallen leaves. More importantly, he could not complete the incitement to the Koreans in such a short time. If he continues to fight against Wei Ting, it will only bring his own destruction. Therefore, when the news of Lelang's satrap Liu Mao's anger about this matter reached Baekje, Chen Zhi returned the plundered population to the county government in fear of family destruction. On the one hand, the hostages were taken back without a single soldier. On the other hand, the satrap may also consider the hidden dangers of Koguryo and Yi, so he did not investigate further. This storm basically ended at the end of 244.
It is also possible that due to the lack of information, all we can see today is the situation of Baekje. In fact, South Korea is not necessarily the only country that takes unfriendly actions, and it is entirely possible that there are other small countries. The unrest of Koreans in 244-245 obviously put pressure on the band's prefect Gong Zun and even the imperial court. So, when Japanese envoy Nan came to pay tribute again in 245, Wei Ting gave him a "Yellow House" and sent a county magistrate to Japan for a false grant. Awarded the military "Huang Mansion" probably in the hope that the Japanese can contain the Koreans in the south, which shows that Wei has more far-reaching plans at this moment. However, Gong Zun had other important affairs to deal with, and Ambassador Fang Jun did not go to Japan immediately to complete his mission.
Because the former World War I didn't capture King Dongchuan of Goguryeo alive, after nine months' rest, Wu's army attacked again in February of the seventh year of Zhengshi (AD 246), aiming at Marukou. Because it was badly hit not long ago, the palace retreated quickly, and Wei Jun won easily. In May, Wu, together with Liu Mao and Gong Zun, marched eastward and won a great victory. All the cities and towns surrendered completely, and then, like wei ren, "collected troops and paid tribute to Le Lang and the leaders."
Wei Jun's second conquest in the first half of the seventh year had another purpose, which was to completely deter restless Koreans. Most Koreans who colluded with Kun were afraid of implicating others. With Kun's complete failure, they all expressed their surrender to Wei. Therefore, in the fourth chapter of Three Kingdoms Wei Zhi, it is recorded that: "In the early spring and February of the seventh year, the secretariat of Youzhou did not ask Qiu Jian for Koguryo, but it was broken in the summer and May. Dozens of countries, such as Hannasi, have fallen to varying degrees. " Naxi is not among the 78 Koryo countries listed in Han Zhuan. Maybe it's because different recorders compare different Chinese characters according to their pronunciation, or there are other countries. But the surrender of so many North Korean countries is undoubtedly gratifying, indicating that Wei's power on the peninsula has reached its peak. Some scholars even compare Xi to the southeast of the peninsula near Japan. If so, the area that Wei can control is even more shocking.
However, it can be clearly seen from the records that these dozens of countries are all headed by Naxi countries, and there is no country with Wang Chen as its capital. Therefore, this surrender is obviously not an act of the Confederacy of Chen Guo, but an illegal act of private collusion by some members of the Confederacy. Of course, Guo Wei's acceptance of their defection is a disregard for the authority of King Mu Chen Zhi among the Korean people. Whether Wei Ting's purpose is intentional suggestion or negligence, it has already constituted the infringement of Chen Wang. The betrayal of dozens of countries, such as Naxi, also made Wang Chen extremely angry. They not only formed a small alliance within the Confederacy privately, but also openly crossed their own allegiance to other countries. Therefore, in combination with Baekje's attack on Le Lang before, it was difficult for Wei Ting's imperial edict to keep the imperial palace secret. When the situation developed to this stage, it would be natural for Wei to have a war with South Korea. Wei, which is ready for everything, and South Korea, which is in a rage, all need a formal excuse. The remnants of the Gongsun family hope to achieve the goal of the Wei Han war as soon as possible, but it is hard to predict whether the war at this time will benefit their Zionist movement or destroy their last hope.