After the death of Hideyoshi, Toshiie MAEDA took over his role as a guardian for Hideyori TOYOTOMI, before himself dying in 1599, and a factional struggle within the Toyotomi clan emerged between the military government group including Kiyomasa KATO and Masanori FUKUSHIMA and the civilian government group including Mitsunari ISHIDA and Yukinaga KONISHI.
秀吉没後、後を追うように豊臣秀頼の後見役だった前田利家が慶長4年（1599年）に死去すると、豊臣氏内で武断派の加藤清正・福島正則らと、文治派の石田三成・小西行長らとの派閥抗争が表面化した。