Hapoel Hatzair
Over time, members of Hapoel Hatzair and Ahdut HaAvoda realized that they were duplicating work. As both groups existed as a labor group as well as a political party, they had separate employment exchanges, mutual aid organisations, cultural and social clubs, and sickness funds. In 1920, it was suggested that unite. This led to the formation of the Histadrut, which was a single workers organization to control labor. While these parties had united their labor organizations into the Histadrut, they continued to fight for dominance of this group. In the first election in 1924, Hapoel Hatzair won 27 seats, which was second only to Ahdut HaAvoda, which held 38. While Ahdut HaAvoda was larger, Hapoel Hatzair was more powerful; In 1921 Yosef Sprinzak of Hapoel Hatzair was the first member of the labor movement to be elected to the Zionist Executive.