In official history, under the continuous attack of the Ming Dynasty, Tuogusi Temur'er's power gradually declined. Especially in the 21st year of Hongwu, General Lan Yushuai's army of 150,000 attacked Beihelin and captured more than 70,000 Tuogusi Temur'er's direct descendants and officials' families. Tuogusi Temur only fled the battlefield with dozens of people and defected to the Alibubusian group, and fell quickly.

In 1388, Yesudier killed Tugus Timur, and became the Mongolian Khan, calling himself the Great Khan of Zhuoliktu Khan. Yesudier was a descendant of Alibuge, the younger brother of Kublai Khan of the Yuan Dynasty. Alibuge once fought for the throne with Kublai Khan, but eventually failed. More than a hundred years later, Yesudier, the descendant of Alibuge, raised an army to kill Kublai Khan and became a great khan, which was a major event in the Mongolian Khan rule. Before this, no matter how fierce the political struggle within the Mongolian ruling class was, the Khan power of the Kublai Khan family had never wavered. The attack on Tugus Timur showed that as the Mongolian nobles retreated to the grassland, the social economy declined severely, and the defeat in the war in the Ming Dynasty, the struggle within the ruling class became even more intensified.

However, Yesudier passed away as soon as he ascended the throne; his son Nkjoriktu succeeded to the throne was also very short. In 1393, Kublai Khan's rank, Elebak, regained the Khan throne from Alibuco's rank, thus ending the situation where Yesudier and his son called Khan. However, during the reign of Elebak, Alibuco's rank, Kuntemur raised troops, killed Elebakkhan, and the Khan's rank was transferred to the Alibuco's rank. In the first year of Yongle (1403), Ogedei (Kublai Khan and Alibuco's uncle) was Guilichi and ascended the Khan throne again. Guilichi's territory was in Gansu River.

In the western area, in order to occupy Helin, he fought with the Prime Minister Batula (Mahamu) of the Weila tribe with the support of the Taishi Alutai tribe. In 1403, he defeated the other side, occupied the Ulubandami River Basin, and continued to advance to the southeast. He once controlled Hami and poisoned Anke Timur, the king of Zhongshun, who was appointed by the Ming Dynasty. Soon, a conflict arose between Guili Chi Khan, the right prime minister of the Taishi Mahya, the left prime minister of the Taifu Yesuntai, and the Privy Council of Taibao Privy Council. Yesuntai was killed by his subordinates, and Marhazhaz went back to Weilath, and Alutai moved to the Hailar River, but Guili Chi Khan was killed by his subordinates again.

It is no accident that the descendants of Ogedei competed for the Khan throne. As early as the 20th year of Zhizheng (1360), Aluhui Timur, the king of Yangdi of Ogedei, had already publicly challenged Tuhuan Timur, the heir of the Khan throne of Kublai Khan. Although Aluhui Timur's rebellion was quickly suppressed, the Ogedei did not give up the struggle for the Khan throne. The ascension of Guili Chi Khan made the descendants of Ogedei finally get what they wished for for a while.

In 1408 (the sixth year of Yongle in the Ming Dynasty), Kublai Khan ascended the throne with the support of the Grand Tutor Arutai, the former minister of the Guili Chikhan. Before Benjasri Khan ascended the throne, he ran to the Timur Empire for refuge due to war. After Timur's death, he left Samarkand (now Uzbekistan city) to go to Mongolstein. In 1407, with the support of Arutai, he returned to Mongolia to ascend the throne. The Mongolian Khan was from the hands of Ogedei, and returned to the hands of Kublai Khan again. Benjasri Khan and the magistrate Arutai conquered Urianha in the east and controlled the west.

In Hexi, Hami and other places, Mahammu, the Erath tribe of the Erath tribe, supported the Alibug Deleboke ascended the Khan throne. In 1415, Mahammu and others supported the Alibug Eseku ascended the throne. In 1426 (the first year of Xuande in the Ming Dynasty), the Hesal Ada seized the Khan throne with the support of Alutai, and the Khan throne was transferred from the Alibug to the Hesal. The struggle within the Mongolian royal family added new content, and the struggle between the original Kublai Khan throne, the Alibug and Ogedei throne increased the struggle with the Hesal.

Washi is the Oyishu in the Mongolian Yuan Dynasty. It lived in the Sayan Mountains and Tangnu Mountains in the current territory of the Soviet Union. It was called West Mongolia. Genghis Khan was divided into 4,000 households during the Ming Dynasty, and was called 40,000 households in the Ming Dynasty. The leader who ruled Washi in the early Ming Dynasty was named Mengke Timur. After his death, Washi was divided into three people, Mahamu and Taiping. When the eastern Mongolian Khan was declining due to the military strikes of the Ming Dynasty and the internal strife of the ruling class, Washi, who had fewer wars, took the opportunity to rise up, trying to seize the rule of the entire Mongolian region. In this struggle, Washi and Eastern Mongolia were two opposite sides, and the Ming Dynasty supported one and suppressed the other, which played a role in fueling the fire.

In the Western Regions, there are also many Mongolians in the eight guard areas such as Hami, Chijin Mongolia, and Shazhou. The leaders of some guards were descendants of the Yuan Dynasty royal family. The Western Regions are located in the east-west transportation routes and have close political, economic and military relations with Wasai, Eastern Mongolia, Tulupan and Ming dynasties. In particular, Hami, all forces have launched a long and fierce struggle for it.
Chapter completed!