Original sentence: He returned to secular life in 1867 during the Meiji Restoration, and led imperial forces to Osaka, Yamato, Shikoku and Aizu during the Boshin War to overthrow the Tokugawa Shogun
Edited sentence: He returned to secular life in 1867 during the Meiji Restoration, and led imperial forces to Osaka, Yamato, Shikoku and Aizu during the Boshin War to overthrow the Tokugawa shogunate