However, West European powers and Japan did not accept the continued isolation of the Korean Peninsula, and Japan took advantage of Ganghwa Island incident to conclude the Japanese-Korea Treaty of Amity with the Yi Dynasty Korea.
しかし、西欧列強や日本は朝鮮半島の鎖国状態が続くことを許さず、日本は江華島事件を機に李氏朝鮮と日朝修好条規を締結した。