▁the ▁British ▁government ' s ▁B alf our ▁Dec laration ▁of ▁ 1 9 1 7 . ▁▁ ▁It ▁end ors ed ▁the ▁creation ▁of ▁a ▁Jewish ▁hom eland ▁in ▁Palest ine , ▁as ▁follows : ▁ ▁In ▁ 1 9 2 2 , ▁the ▁League ▁of ▁Nations ▁adopted ▁the ▁declaration , ▁and ▁granted ▁to ▁Britain ▁the ▁Palest ine ▁Mand ate : ▁ ▁We iz mann ' s ▁role ▁in ▁obtain ing ▁the ▁B alf our ▁Dec laration ▁led ▁to ▁his ▁election ▁as ▁the ▁Z ion ist ▁movement ' s ▁leader . ▁He ▁remained ▁in ▁that ▁role ▁until ▁ 1 9 4 8 , ▁and ▁then ▁was ▁elected ▁as ▁the ▁first ▁President ▁of ▁Israel ▁after ▁the ▁nation ▁gained ▁independence . ▁ ▁A ▁number ▁of ▁high - level ▁represent atives ▁of ▁the ▁international ▁Jewish ▁women ' s ▁community ▁participated ▁in ▁the ▁First ▁World ▁Congress ▁of ▁Jewish ▁Women , ▁which ▁was ▁held ▁in ▁Vienna , ▁Austria , ▁in ▁May ▁ 1 9 2 3 . ▁One ▁of ▁the ▁main ▁resolution s ▁was : ▁" It ▁appears ▁... ▁to ▁be ▁the ▁duty ▁of ▁all ▁Jews ▁to ▁co - oper ate ▁in ▁the ▁social - e conom ic ▁reconst ruction ▁of ▁Palest ine ▁and ▁to ▁assist ▁in ▁the ▁settlement ▁of ▁Jews ▁in ▁that ▁country ." ▁ ▁Jewish ▁migration ▁to ▁Palest ine ▁and ▁w ides p read ▁Jewish ▁land ▁purch ases ▁from ▁fe ud al ▁land l ords ▁contributed ▁to ▁land less ness ▁among ▁Palest in ian ▁Arab s , ▁fuel ing ▁un rest . ▁Ri ots ▁er