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Which daimyo led the western army against Tokugawa Ieyasu at the Battle of Sekigahara?

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Statue of Tokugawa Ieyasu in ornate robes holding a bow, with arrows on his back, at the Tosho-gu shrine in Nikko, Japan. — Tokugawa Ieyasu Statue of Tokugawa Ieyasu at the Tōshō Shrine in Nikkō, Japan.

The daimyo who led the western army against Tokugawa Ieyasu at the Battle of Sekigahara was Ishida Mitsunari.12