Among its successes were its fight against the international trade in opium and sexual slavery, and its work to alleviate the plight of refugees, particularly in Turkey in the period up to 1926.
Liit saavutas edu võitluses narkokaubanduse ja seksuaalse orjastamisega, samuti pagulaste olukorra leevendamisel, iseäranis Türgis kuni 1926. aastani.