▁policy ▁declaration ▁of ▁the ▁ 1 3 th ▁Congress ▁was ▁formal ▁end ors ement ▁of ▁" market " ▁social ism ▁and ▁that ▁it ▁was ▁necessary ▁to ▁" ada pt ▁the ▁principles ▁of ▁social ism ▁to ▁fit ▁reality ▁rather ▁than ▁b end ▁reality ▁to ▁fit ▁ide ology ." ▁ ▁As ▁a ▁further ▁move ▁away ▁from ▁the ▁past , ▁in ▁ 1 9 8 8 ▁the ▁party ▁decided ▁that ▁port ra its ▁of ▁Marx , ▁Eng els , ▁Len in , ▁and ▁St alin ▁would ▁no ▁longer ▁be ▁displayed ▁in ▁T ian an men ▁Square ▁on ▁national ▁hol id ays , ▁only ▁port ra its ▁of ▁Ma o ▁and ▁Sun ▁Y at - sen . ▁ ▁After ▁Z ha o ▁became ▁the ▁party ▁General ▁Secretary , ▁the ▁economic ▁and ▁political ▁re forms ▁he ▁had ▁champion ed ▁came ▁under ▁increasing ▁attack ▁from ▁his ▁colle agues . ▁His ▁proposal ▁in ▁May ▁ 1 9 8 8 ▁to ▁acceler ate ▁price ▁reform ▁led ▁to ▁w ides p read ▁popular ▁compla ints ▁about ▁r amp ant ▁infl ation ▁and ▁gave ▁oppon ents ▁of ▁rapid ▁reform ▁the ▁opening ▁to ▁call ▁for ▁greater ▁central ization ▁of ▁economic ▁controls ▁and ▁str ic ter ▁prohib itions ▁against ▁Western ▁influence . ▁This ▁precip itated ▁a ▁political ▁debate , ▁which ▁grew ▁more ▁he ated ▁through ▁the ▁winter ▁of ▁ 1 9 8 8 – 1 9 8 9 . ▁With ▁dem ands ▁for ▁political ▁re forms ▁growing , ▁D eng ▁X ia op ing ▁merely ▁re iter ated ▁that ▁the ▁Commun ist ▁Party ▁was ▁necessary