Kammala wannan jumla: A mafi girmansa daga 28 ga Satumba, 1934 zuwa 23 ga Fabrairu, 1935, yana da mambobi 58. Bayan wasu nasarori masu ban mamaki da wasu gazawar farko a cikin 1920s, Kungiyar ta ƙarshe ta tabbatar da rashin iya hana tashin hankali daga ikon Axis a cikin 1930s. Amincewar kungiyar ta raunana ta hanyar gaskiyar cewa Amurka ba ta shiga cikin League ba kuma Soviet Union ta shiga cikin marigayi kuma ba da daɗewa ba aka fitar da ita bayan
mamaye ƙasar Finland. Jamus ta fice daga League, kamar yadda Japan, Italiya, Spain da sauransu suka yi. Fitowar Yaƙin Duniya na Biyu a shekara ta 1939 ya nuna cewa Ƙungiyar ta kasa cika ainihin manufarta; ba ta yi aiki ba har sai da aka kawar da ita. Kungiyar ta yi shekaru 26; Majalisar Dinkin Duniya (MDD) ta maye gurbinsa a 1946 kuma ta gaji hukumomi da kungiyoyi da dama da Kungiyar ta kafa.