 On February 26, 1876, after confrontations between the Japanese and Koreans, the Ganghwa Treaty was signed, opening Korea to Japanese trade.In 1880, the King sent a mission to Japan that was headed by Kim Hong-jip, an enthusiastic observer of the reforms taking place there.While in Japan, the Chinese diplomat Huang Zunxian presented him with a study called ""Chaoxian Celue"" ("A Strategy for Korea").