For this, Budan-ha daimyo, including Masanori FUKUSHIMA, who had antipathy against Mitsunari, announced that they would support Ieyasu, and here, Ieyasu's eastern military group forces in the Battle of Sekigahara was formed (Oyama meeting).
これに対し、福島正則ら三成に反感を持つ武断派の大名らは家康に味方すると告げ、ここに家康の関ヶ原の戦い東軍が結成された（小山評定）。