▁the ▁C PC ▁Central ▁Military ▁Commission ▁North ▁Branch ' s ▁meeting . ▁In ▁March , ▁he ▁was ▁sent ▁by ▁the ▁C CP ▁Central ▁Committee ▁to ▁negoti ate ▁with ▁the ▁Com intern ▁in ▁Moscow . ▁In ▁July , ▁he ▁officially ▁replaced ▁Wang ▁J ia xi ang ▁as ▁the ▁representative ▁of ▁C CP ▁at ▁Com intern . ▁Ren ▁returned ▁to ▁Yan ' an ▁on ▁ 2 6 ▁March ▁ 1 9 4 0 , ▁serving ▁in ▁the ▁Secret ariat ▁and ▁the ▁Organ iz ational ▁Department ▁of ▁the ▁C CP . ▁In ▁April ▁ 1 9 4 2 , ▁he ▁led ▁the ▁Yan ' an ▁Rect ification ▁Mov ement ▁in ▁the ▁Sh an - G anning ▁region . ▁Ren , ▁alongside ▁Ma o ▁and ▁Li u ▁Sh ao qi ▁as ▁members ▁of ▁the ▁Organ iz ational ▁Department ▁of ▁the ▁C CP , ▁became ▁in ▁charge ▁of ▁the ▁north west ▁regions ▁of ▁G ans u - N ing x ia ▁and ▁Sh an xi , ▁and ▁in ▁the ▁same ▁month , ▁was ▁in ▁charge ▁of ▁organ izing ▁the ▁ 8 th ▁Route ▁Army ▁based ▁in ▁X i ' an . ▁Ren ▁was ▁part ▁of ▁a ▁team ▁that ▁concluded ▁the ▁leadership ▁problems ▁between ▁the ▁Four th ▁Pl en ary ▁Session ▁and ▁the ▁Z un yi ▁Conference ▁in ▁the ▁" Resol ution ▁on ▁C ertain ▁Question s ▁in ▁the ▁History ▁of ▁the ▁C CP " ▁report . ▁ ▁During ▁the ▁Second ▁Chinese ▁Civil ▁War ▁( 1 9 4 5 - 1 9 4 9 ) ▁ ▁During ▁the ▁Se