- Cent ury ▁Polit ics . ▁ 1 9 9 6 </ ref > ▁rejected ▁invol vement ▁with ▁the ▁labor ▁movement ▁and ▁Marx ism ' s ▁historical ▁theory ▁of ▁class ▁struggle , ▁although ▁others ▁grav itated ▁to ▁their ▁own ▁takes ▁on ▁established ▁forms ▁of ▁Marx ism , ▁such ▁as ▁the ▁New ▁Commun ist ▁movement ▁( which ▁drew ▁from ▁Ma o ism ) ▁in ▁the ▁United ▁States ▁or ▁the ▁K - G ru ppen ▁in ▁the ▁German ▁Sp rach raum . ▁In ▁the ▁United ▁States , ▁the ▁movement ▁was ▁associated ▁with ▁the ▁anti - war ▁college - camp us ▁protest ▁movements , ▁including ▁the ▁Free ▁Spe ech ▁Mov ement . ▁ ▁Historical ▁orig ins ▁The ▁orig ins ▁of ▁the ▁New ▁Left ▁have ▁been ▁trac ed ▁to ▁several ▁factors . ▁Prom in ently , ▁the ▁confused ▁response ▁of ▁the ▁Commun ist ▁Party ▁of ▁the ▁USA ▁and ▁the ▁Commun ist ▁Party ▁of ▁Great ▁Britain ▁to ▁the ▁Hung arian ▁Revolution ▁of ▁ 1 9 5 6 ▁led ▁some ▁Marx ist ▁intellect uals ▁to ▁develop ▁a ▁more ▁dem ocr atic ▁approach ▁to ▁politics , ▁opposed ▁to ▁what ▁they ▁saw ▁as ▁the ▁central ised ▁and ▁author itar ian ▁politics ▁of ▁the ▁pre - war ▁left ist ▁parties . ▁Those ▁Commun ists ▁who ▁became ▁dis ill usion ed ▁with ▁the ▁Commun ist ▁Part ies ▁due ▁to ▁their ▁author itar ian ▁character ▁eventually ▁formed ▁the ▁" new ▁left ", ▁first ▁among ▁diss ent ing ▁Commun ist ▁Party ▁intellect uals ▁and ▁campus ▁groups ▁in ▁the ▁United ▁Kingdom , ▁and ▁later ▁alongside ▁campus