ist ▁T ude h ▁Party ▁and ▁the ▁social ist ▁Iran ▁Party , ▁they ▁invited ▁other ▁parties ▁to ▁join ▁them ▁in ▁their ▁alleg ed ▁struggle ▁for ▁" social ▁progress ▁and ▁national ▁independence ". ▁One ▁of ▁the ▁main ▁pl anks ▁of ▁the ▁un ited ▁front ▁was ▁to ▁recognize ▁Central ▁Council ▁of ▁United ▁Trade ▁Un ions ▁as ▁the ▁sole ▁legit imate ▁organization ▁of ▁the ▁working - class ▁in ▁Iran . ▁ ▁Member ▁parties ▁▁ ▁T ude h ▁Party ▁of ▁Iran ▁ ▁Iran ▁Party ▁( J une ▁ 1 9 4 6 — J anu ary ▁ 1 9 4 7 ) ▁▁ ▁Social ist ▁Party ▁ ▁Jung le ▁Party ▁( Jo ined ▁on ▁ 2 9 ▁October ▁ 1 9 4 6 ) ▁ ▁Democratic ▁Party ▁of ▁Kur dist an ▁( Jo ined ▁on ▁ 2 9 ▁October ▁ 1 9 4 6 ) ▁ ▁Democratic ▁Party ▁of ▁A zer ba ij an ▁( Jo ined ▁on ▁ 2 9 ▁October ▁ 1 9 4 6 ) ▁ ▁References ▁ ▁Category : 1 9 4 6 ▁establish ments ▁in ▁Iran ▁Category : 1 9 4 8 ▁dis est ab lish ments ▁in ▁Iran ▁Category : Def unct ▁left - wing ▁political ▁party ▁al li ances ▁Category : Def unct ▁political ▁party ▁al li ances ▁in ▁Iran ▁Category : Def unct ▁social ist ▁parties ▁in ▁Iran ▁Category : Pol it ical ▁parties ▁dis est ab lished ▁in ▁ 1 9 4 8 ▁Category : Pol it ical ▁parties ▁established ▁in ▁ 1 9 4 6 ▁Category :