an ▁ Đ ă ng ▁L ư u ▁published ▁influ ential ▁works ▁and ▁books ▁such ▁as ▁The ▁Capital ist ▁Society ▁(" X ã ▁h ộ i ▁T ư ▁b ả n "), ▁The ▁Old ▁and ▁New ▁World ▁(" Th ế ▁gi ớ i ▁c ũ ▁v à ▁Th ế ▁gi ớ i ▁m ớ i "), ▁etc .. ▁Since ▁Ph an ▁ Đ ă ng ▁L ư u ▁was ▁also ▁close ▁to ▁Ph an ▁B ộ i ▁Ch â u , ▁he ▁would ▁help ▁him ▁to ▁finish ▁his ▁work ▁Ph an ▁B ộ i ▁Ch â u ▁Chron ology ▁(" Ph an ▁B ộ i ▁Ch â u ▁ni ên ▁bi ể u "). ▁ ▁In ▁September ▁ 1 9 3 9 , ▁Ph an ▁ Đ ă ng ▁L ư u ▁was ▁assigned ▁to ▁move ▁into ▁South ▁Vietnam ▁continu ing ▁to ▁lead ▁the ▁party ' s ▁under ground ▁revolution ary ▁activities . ▁In ▁November ▁ 1 9 3 9 , ▁at ▁the ▁VI ▁general ▁pl enum ▁of ▁the ▁Commun ist ▁Party ' s ▁ 1 st ▁Central ▁Committee , ▁he ▁was ▁admitted ▁as ▁a ▁standing ▁member ▁into ▁the ▁Central ▁Committee ▁(" B an ▁Th ư ờ ng ▁v ụ ▁Tr ung ▁ ư ơ ng "). ▁The ▁Stand ing ▁Committee ▁of ▁the ▁Central ▁Committee ▁was ▁the ▁prede cess or ▁of ▁the ▁Polit b uro . ▁At ▁this ▁point ▁in ▁time , ▁he ▁was ▁one ▁of ▁the ▁highest - rank ed ▁political ▁members ▁of ▁the ▁Commun ist ▁Party ▁of ▁Vietnam . ▁At ▁the