▁by ▁the ▁Independent ▁Cab inet ▁Mak ers ▁Union . ▁A ▁permanent ▁headquarters ▁was ▁opened ▁in ▁White ch ap el ▁in ▁February ▁ 1 9 0 4 , ▁and ▁a ▁nation wide ▁organisation ▁was ▁launched ▁at ▁a ▁conference ▁in ▁Manchester ▁in ▁ 1 9 0 6 . ▁ ▁Early ▁ 2 0 th ▁century ▁Po ale ▁Z ion ▁was ▁active ▁in ▁Britain ▁during ▁World ▁War ▁I , ▁under ▁the ▁leadership ▁of ▁J ▁P omer anz ▁and ▁Morris ▁Meyer , ▁and ▁influ ential ▁on ▁the ▁British ▁labour ▁movement , ▁including ▁on ▁the ▁draft ing ▁( by ▁Sid ney ▁Web b ▁and ▁Arthur ▁Hend erson ) ▁of ▁the ▁Labour ▁Party ’ s ▁War ▁A ims ▁Mem or and um , ▁recogn ising ▁the ▁" right ▁of ▁return " ▁of ▁Jews ▁to ▁Palest ine , ▁a ▁document ▁which ▁preced ed ▁the ▁B alf our ▁Dec laration ▁by ▁three ▁months . ▁In ▁this ▁period , ▁it ▁published ▁the ▁period ical ▁Jewish ▁Labour ▁Cor respond ence . ▁ ▁After ▁World ▁War ▁I , ▁Po ale ▁Z ion ▁published ▁several ▁pam ph lets ▁in ▁Y idd ish ▁and ▁a ▁Y idd ish ▁journal , ▁Und zer ▁Veg . ▁Sh l omo ▁Kap l ans ky ▁collabor ated ▁with ▁the ▁Independent ▁Labour ▁Party ▁in ▁setting ▁up ▁the ▁Vienna ▁International ▁of ▁social ist ▁parties . ▁ ▁In ▁mid - 1 9 2 0 , ▁the ▁World ▁Union ▁of ▁Po ale ▁Z ion ▁in ▁Vienna ▁set ▁up ▁a ▁Po ale ▁Z ion ▁office ▁in ▁London , ▁led ▁by ▁Sh l omo ▁Kap l