As the Japanese-Korean Treaty of Amity was concluded based on the study of the treaties between Japan and the United States, it would be natural that Parkes felt the character of the Japanese-Korean Treaty of Amity was similar to that of the treaty between Japan and England.
日朝修好条規は日米間の条約を研究して結ばれたものであるから、パークスが感じるように日朝修好条規と日英間の条約の性格が似ているのは当然といえる。