Ishida Mitsunari was accused of making the biggest mistake of going to war openly with Tokugawa Ieyasu, but it was observed that his participation in the Sekigahara battle was actually a helpless move, because Ieyasu lived a long life, and it may not last long to resist Ieyasu. Whether it was the timing (Ieyasu's expedition to Aizu), or the justification (the ** letter to Ieyasu jointly signed by the three commissioners), or the extensive alliance with the daimyos, Ishida Mitsusei did quite well, but he still made 3 mistakes, which 3 were they?
First of all, his relationship with the arbitrariness is too rigid. The arbitrary Kato Kiyomasa, Fukushima Masanori and others were all important figures cultivated by Toyotomi Hideyoshi and were extremely loyal to the Toyotomi regime. They joined Tokugawa Ieyasu's Eastern Army in part because their relationship with the Bunji faction led by Ishida Mitsunari was deteriorating so much that they misjudged Ishida Mitsuri to be traitors and failed to see Tokugawa Ieyasu's ambitions.
Secondly, he did not pay enough attention to the Owari and Mino areas. Judging from the position of the main force of the Uesugi Expeditionary Army led by Tokugawa Ieyasu at that time, Ieyasu returned to a decisive battle with Mitsunari, and it was impossible to attack Kinai through Owari and Mino, and it was unlikely that he would make a detour to Hokuriku. Therefore, the best option for Ishida Mitsunari is to concentrate his forces on the Owari and Mino areas. Although Mitsunari's initial plan was to fight Ieyasu in these two places, the plan could not catch up with the changes, and at the same time, Masuda Nagamori in the Western Army had been transmitting information to Ieyasu, and Mitsunari's plan was difficult to work. The garrison of six or seven thousand troops at Gifu Castle was quickly captured, and the Mino defense line quickly collapsed, all of which he did not expect.
In the end, he misjudged the degree of unity and unity within the Western Army. Ishida Mitsunari did not really control the actions of the various forces in the Western Army, and many of them went their own way under the banner of supporting Toyotomi Hideyori. The Mori family was at odds with themselves, Terumoto was concerned about his interests in Shikoku and Kyushu and was reluctant to go to the front in person, the Ukita Hideya forced the war before recovering from the turmoil, Shimazu Yoshihiro led his troops to fight, while his brother Yoshihisa and his son Tadashi were opposed in their own country, Masuda Nagamori was wandering at both ends, and Kobayakawa Hideaki himself was unstable, but he occupied the ...... of Matsuo Mountain, which should be defended by the Mori family in the Sansei planHow can such an army, which fights on the battlefield in its own hands and has no clear command, defeat the Eastern Army, which has a clear commander, a degree of cooperation, and tactical control?Therefore, the defeat of Ishida Mitsunari was predictable.
During the Sekigahara War, Ishida Mitsunari did a good job, but he still made 3 fatal mistakes!