uses . ▁ ▁The ▁anti - war ▁movement ▁es cal ated ▁the ▁r het or ical ▁heat , ▁as ▁violence ▁broke ▁out ▁on ▁both ▁sides . ▁The ▁clim ax ▁came ▁at ▁the ▁ 1 9 6 8 ▁Democratic ▁National ▁Convention . ▁ ▁The ▁New ▁Left ▁also ▁accommod ated ▁the ▁reb irth ▁of ▁femin ism . ▁As ▁the ▁original ▁leaders ▁of ▁the ▁New ▁Left ▁were ▁largely ▁white ▁men , ▁women ▁react ed ▁to ▁the ▁lack ▁of ▁progress ive ▁gender ▁politics ▁with ▁their ▁own ▁social ▁intellectual ▁movement . ▁The ▁New ▁Left ▁was ▁also ▁marked ▁by ▁the ▁in vention ▁of ▁the ▁modern ▁environmental ist ▁movement , ▁which ▁cl ashed ▁with ▁the ▁Old ▁Left ' s ▁dis reg ard ▁for ▁the ▁environment ▁in ▁favor ▁of ▁pres erving ▁the ▁jobs ▁of ▁union ▁workers . ▁Environment al ism ▁also ▁gave ▁rise ▁to ▁various ▁other ▁social ▁justice ▁movements ▁such ▁as ▁the ▁environmental ▁justice ▁movement , ▁which ▁a ims ▁to ▁prevent ▁the ▁to x ification ▁of ▁the ▁environment ▁of ▁minor ity ▁and ▁dis adv ant aged ▁communities . ▁ ▁By ▁ 1 9 6 8 , ▁however , ▁the ▁New ▁Left ▁coal ition ▁began ▁to ▁split . ▁The ▁anti - war ▁Democratic ▁president ial ▁nom ination ▁campaign ▁of ▁Kennedy ▁and ▁Mc Car thy ▁brought ▁the ▁central ▁issue ▁of ▁the ▁New ▁Left ▁into ▁the ▁main stream ▁liberal ▁establishment . ▁The ▁ 1 9 7 2 ▁nom ination ▁of ▁George ▁McG overn ▁further ▁highlight ed ▁the ▁new ▁influence ▁of ▁Liberal ▁protest ▁movements ▁within ▁the ▁Democratic ▁establishment . ▁In cre asing ly , ▁femin