An international medical conference initiated by Davison resulted in the birth of the League of Red Cross Societies in 1991.7/30AninternationalmedicalconferenceinitiatedbyDavison resultedinthebirthoftheLeagueofRedCrossSocietiesin1991.treateddedicated helpedstartedGiải thíchĐáp án D Giải thích: initiated = started (v) bắt đầu