From the beginning of the nineteenth century, the range of application of this modern international law was expanded to whole world including, the Middle and Near East, Africa and East Asia through gunboat diplomacy that was contradictorily to the heralded idealistic principle.
この近代国際法は、19世紀に入ると掲げられた理念とは裏腹な砲艦外交によって中近東、アフリカ、東アジア等世界全体に適用範囲を広げていった。