It was since the Treaty of Versailles of 1919 that settling of international issues by force has been seen as a problem under a normative influence of international law, and it was after the beginning of the United Nations Charter of 1945 that threatening against a state was forbidden – those are realities of functional operation of the norm of the international law at that time.
当時、国際法の規範的影響力において、武力による国際問題解決が問題視されるのは1919年のヴェルサイユ条約からであり、国家への脅迫が禁止されのは1945年の国際連合憲章が始まったのが国際法規範の機能面における実態である。