Battle of Sekigahara, the Siege of Osaka, the daimyo's alternate-year residence system in Edo (Sankinkotai), Laws Governing Military Households, military government, Shimabara Rebellion, and national isolation
関ヶ原の戦い、大坂の役、参勤交代、武家諸法度、武断政治、天草の乱、鎖国