johannesburg cyril ramaphosa may race leader african national congress fail decisively wrest control south africa rule party president jacob zuma zuma faction retain influence anc incoming national executive committee nec felt conference debate divisive policies land expropriation nationalization ramaphosa incomplete victory could stymie chance tackle entrench corruption implement reform kickstart economic growth task place center campaign anc top job also lessen chance oust zuma state presidency second term end 2019. could disappoint investors bet heavily ramaphosa 65-year-old former trade union leader millionaire businessman able turn around africa industrialize economy rand currency volatile since ramaphosa election investors continue assess much clout wield ramaphosa strong majority nec linger presence zuma loyalists able drive agenda say darias jonker director africa eurasia group zuma decade power badly tarnish anc image home abroad growth slow near-standstill survive several vote confidence analysts say cement control anc use political patronage anc new nec announce early hours thursday split roughly 50-50 ramaphosa zuma factions party top six powerful officials announce monday also split middle zuma say thursday winner loser election leaders anc conference ramaphosa try force zuma office would need secure support nec include main rival anc race former cabinet minister nkosazana dlamini-zuma zuma ex-wife prefer successor others nec include prominent zuma lieutenants finance minister malusi gigaba energy minister david mahlobo would defend 75-year-old leader bitter end two controversial policy resolutions adopt anc conference wednesday call land expropriation without compensation nationalization central bank policies vociferously back dlamini-zuma expropriation land white farmers neighbor zimbabwe devastate impact food production mention nationalization south africa enough spook investors since left-wing elements anc also call mine bank state-owned senior anc source tell reuters ramaphosa camp would try ensure shift full state ownership reserve bank would go resolution adopt conference reserve bank say change ownership structure could raise level uncertainty economy would costly land expropriation without compensation also unlikely become norm soon fact anc call constitution amend step direction could dent already weak investor confidence kind rhetoric inform ramaphosa speeches perpetuate concern property right time economy need exactly opposite signal say anne fruhauf analyst consultancy teneo land especially emotive south africa anc pressure address gap racial inequality two decades end white minority rule opposition democratic alliance thursday criticize anc call land expropriation say fail address broad issue property right poor south africans government mismanagement exist land program debate land heat among anc members wednesday delegate say fight break party official say nearly cause conference collapse jonker eurasia group say anc policies always populist left-leaning eventually implement government clean sweep south africa 's ramaphosa anc race