Withdrawing from the League of Nations, Japan allied itself with the fascist government of Germany and that of Italy (the alliance of Japan, Germany, and Italy) and entered World War II (the Pacific War/the Greater East Asian War).
国際連盟を脱退し、日本はドイツ、イタリアのファシスト政権と日独伊三国同盟結び、第二次世界大戦（太平洋戦争・大東亜戦争）に突入した。