▁Labor ▁Party ▁continues ▁the ▁tradition , ▁although ▁the ▁most ▁popular ▁party ▁in ▁the ▁k ib but z im ▁is ▁Mer etz . ▁Labor ▁Z ion ism ' s ▁main ▁institution ▁is ▁the ▁Hist adr ut ▁( general ▁organisation ▁of ▁labor ▁un ions ), ▁which ▁began ▁by ▁providing ▁strike break ers ▁against ▁a ▁Palest in ian ▁worker ' s ▁strike ▁in ▁ 1 9 2 0 ▁and ▁until ▁ 1 9 7 0 s ▁was ▁the ▁largest ▁employ er ▁in ▁Israel ▁after ▁the ▁Isra eli ▁government . ▁ ▁Liberal ▁Z ion ism ▁ ▁General ▁Z ion ism ▁( or ▁Liberal ▁Z ion ism ) ▁was ▁initially ▁the ▁dominant ▁tr end ▁within ▁the ▁Z ion ist ▁movement ▁from ▁the ▁First ▁Z ion ist ▁Congress ▁in ▁ 1 8 9 7 ▁until ▁after ▁the ▁First ▁World ▁War . ▁General ▁Z ion ists ▁identified ▁with ▁the ▁liberal ▁European ▁middle ▁class ▁to ▁which ▁many ▁Z ion ist ▁leaders ▁such ▁as ▁Herz l ▁and ▁Cha im ▁We iz mann ▁asp ired . ▁Liberal ▁Z ion ism , ▁although ▁not ▁associated ▁with ▁any ▁single ▁party ▁in ▁modern ▁Israel , ▁remains ▁a ▁strong ▁tr end ▁in ▁Isra eli ▁politics ▁advoc ating ▁free ▁market ▁principles , ▁dem ocracy ▁and ▁ad her ence ▁to ▁human ▁rights . ▁K ad ima , ▁the ▁main ▁cent rist ▁party ▁during ▁the ▁ 2 0 0 0 s ▁that ▁is ▁now ▁def unct , ▁however , ▁did ▁identify ▁with ▁many ▁of ▁the ▁fundamental ▁policies ▁of ▁Liberal ▁Z ion ist ▁ide ology , ▁advoc ating ▁among ▁other ▁things