The removal of the Sô as domainal lords, and as Korean vassals, and the concordant further formalization of the incorporation of Tsushima into the territory of the Japanese nation-state in [[1869]]-[[1871]], caused considerable diplomatic tensions between Korea and Japan. The disputed status of Tsushima was resolved by the [[1876]] [[Treaty of Ganghwa]], in which Joseon formally recognized the island as Japanese territory.<ref>Hellyer, 245.</ref> | The removal of the Sô as domainal lords, and as Korean vassals, and the concordant further formalization of the incorporation of Tsushima into the territory of the Japanese nation-state in [[1869]]-[[1871]], caused considerable diplomatic tensions between Korea and Japan. The disputed status of Tsushima was resolved by the [[1876]] [[Treaty of Ganghwa]], in which Joseon formally recognized the island as Japanese territory.<ref>Hellyer, 245.</ref> |