Reports by people visiting Japan in the Meiji period after opening the country to the world, insistences of people visiting Europe, and impressions and understanding spread as a result of seeing Japan which won the Japanese-Sino and Japanese-Russo Wars
-明治期の開国で訪日した人の報告・訪欧した人の主張や、日清・日露戦争に勝利した日本を見て広まった印象・把握。