(United Kibbutz)
Hakibbutz Hameuhad was founded in 1927 by the association of Kibbutz En Harod and other kibbutz settlements. Its program was finally crystallized in 1936: establishing a large collective of settlements that could grow even larger and engage in all spheres of industry. Each kibbutz was an autonomous unit. This kibbutz federation regards itself as fulfilling the historic mission of the Ahdut Haavoda Party (founded in 1919) within the Mapai Party and its heir—the Israel Labor Party. Because of differences of opinion on ideological and political party matters, Hakibbutz Hameuhad split into two factions in 1951, and hhud Hakvutzot Vehakibbutzim was formed. Both are reunited in the United Kibbutz Movement. Between 1944 and 1968, Hakibbutz Hameuhad provided the political base for the Sia Bet faction that split from Mapai in 1944 to form the Ahdut Haavoda Party. It united with Mapai and Rafi to found the Israel Labor Party in 1968.
Historical Dictionary of Israel. Bernard Reich David H. Goldberg. Edited by Jon Woronoff..