▁support ▁the ▁American ▁effort ▁in ▁World ▁War ▁II ▁and ▁the ▁election ▁of ▁President ▁Ro ose vel t ▁to ▁a ▁fourth ▁term . ▁ ▁Os ce ola ▁McK aine ▁only ▁officially ▁gar ner ed ▁ 3 , 2 0 0 ▁votes ▁in ▁the ▁Senate ▁election , ▁but ▁the ▁P DP ▁charged ▁that ▁many ▁of ▁his ▁votes ▁were ▁not ▁counted ▁and ▁estimated ▁that ▁he ▁had ▁over ▁ 1 0 , 0 0 0 ▁votes . ▁ ▁From ▁the ▁beginning , ▁the ▁party ▁and ▁the ▁NA AC P ▁worked ▁hand ▁in ▁hand ▁and ▁were ▁pract ically ▁the ▁same ▁organization . ▁ ▁The ▁difference ▁was ▁that ▁the ▁NA AC P ▁handled ▁all ▁matters ▁rel ating ▁to ▁lit ig ation ▁and ▁the ▁P DP ▁was ▁in ▁charge ▁of ▁political ▁action . ▁T ogether ▁they ▁achieved ▁a ▁dram atic ▁amount ▁of ▁success ▁by ▁increasing ▁the ▁number ▁of ▁registered ▁vot ers ▁in ▁the ▁state ▁in ▁the ▁ 1 9 4 0 s ▁from ▁ 3 , 5 0 0 ▁to ▁ 5 0 , 0 0 0 . ▁ ▁It ▁was ▁through ▁their ▁efforts ▁that ▁the ▁black ▁vot ers ▁provided ▁the ▁margin ▁that ▁O lin ▁D . ▁John ston ▁needed ▁to ▁beat ▁St rom ▁Th ur mond ▁in ▁the ▁ 1 9 5 0 ▁Senate ▁election . ▁ ▁In ▁ 1 9 4 8 , ▁the ▁party ▁ceased ▁function ing ▁as ▁a ▁party ▁and ▁instead ▁operated ▁as ▁a ▁political ▁action ▁group . ▁ ▁The ▁P DP ▁was ▁ur ged ▁by ▁Th ur good ▁Marshall ▁among ▁others ▁to ▁drop ▁" Part