But true mastery of the country was not achieved until victory in 1600 at Sekigahara.
Hayashi Razan was an influential scholar at his court, whose rise occurred after refusing to follow Hideyoshi on two disastrous attempts to invade Korea, and culminated in the construction of his castle, the largest ever built. As a youth he was sent to live in Sumpu, as the hostage of a rival family, where he learned the military arts that would later help him to subjugate the Hojo clan and take control of Eastern Japan. But true mastery of the country was not achieved until victory in 1600 at Sekigahara. FTP identify this man who established his capital at Edo and whose shogunate would rule Japan from 1603 until 1867.
Hayashi Razan was an influential scholar at his court, whose rise occurred after refusing to follow Hideyoshi on two disastrous attempts to invade Korea, and culminated in the construction of his castle, the largest ever built.
Tokugawa  Ieyasu