eng ▁had ▁ins isted ▁on ▁supporting ▁all ▁of ▁H ua ' s ▁policies ▁in ▁one ▁of ▁the ▁letters ▁the ▁two ▁men ▁ex changed , ▁to ▁which ▁H ua ▁respond ed ▁that ▁D eng ▁had ▁" made ▁mistakes , ▁and ▁right fully ▁must ▁continue ▁to ▁receive ▁criticism ." ▁The ▁arrest ▁of ▁the ▁Gang ▁of ▁Four , ▁H ua ▁said , ▁did ▁not ▁justify ▁that ▁D eng ' s ▁" re vision ist " ▁ideas ▁should ▁res ur face . ▁During ▁a ▁Polit b uro ▁meeting ▁in ▁March ▁ 1 9 7 7 , ▁many ▁members ▁vo iced ▁support ▁for ▁D eng ' s ▁return , ▁to ▁no ▁avail . ▁In ▁a ▁letter ▁to ▁H ua ▁dated ▁April ▁ 1 0 , ▁D eng ▁X ia op ing ▁wrote , ▁" I ▁am ▁fully ▁behind ▁Chair man ▁H ua ' s ▁policies ▁and ▁ag enda ▁for ▁the ▁country ." ▁This ▁letter ▁would ▁be ▁open ly ▁discussed ▁in ▁the ▁Polit b uro , ▁and ▁in ▁July ▁ 1 9 7 7 , ▁D eng ▁X ia op ing ▁was ▁restored ▁in ▁his ▁former ▁posts . ▁In ▁August , ▁the ▁ 1 1 th ▁Party ▁Congress ▁was ▁held , ▁which ▁again ▁re h abil itated ▁D eng ▁and ▁confirmed ▁his ▁election ▁as ▁the ▁new ▁Committee ▁Vice - Ch air man , ▁and ▁the ▁Central ▁Military ▁Commission ' s ▁Vice - Ch air man , ▁D eng ▁guaranteed ▁the ▁elev ation ▁of ▁his ▁supp or ters , ▁Hu ▁Ya ob ang , ▁Z ha o ▁Z iy ang