 He argued that a Parliament, even with an Arab majority, was the way forward.Ben-Gurion, already emerging as the leader of the Yishuv, succeeded in getting Kaplansky's ideas rejected.In 1930, Hapoel Hatzair (founded by A. D. Gordon in 1905) and Ahdut HaAvoda joined forces to create Mapai, the more moderate Zionist labor party (it was still a left-wing organization, but not as far-left as other factions) under Ben-Gurion's leadership.