▁the ▁al liance ▁with ▁the ▁D N VP ▁would ▁be ▁res c ind ed ; ▁many ▁of ▁H inden burg ' s ▁conserv ative ▁supp or ters ▁hoped ▁that ▁Du ester berg ▁vot ers ▁would ▁mostly ▁swing ▁toward ▁H inden burg ▁in ▁the ▁run off . ▁These ▁hopes ▁were ▁increased ▁by ▁the ▁fact ▁that ▁H ugen berg ▁refused ▁to ▁end or se ▁Hitler ▁in ▁the ▁run off , ▁still ▁s ore ▁over ▁the ▁latter ' s ▁decision ▁to ▁run ▁on ▁his ▁own . ▁ ▁H inden burg , ▁Hitler , ▁and ▁Th äl mann ▁competed ▁in ▁the ▁second ▁round , ▁after ▁Du ester berg ▁had ▁dropped ▁out . ▁As ▁in ▁ 1 9 2 5 , ▁the ▁Commun ist ▁Party ▁nominated ▁Ernst ▁Th äl mann . ▁Back ed ▁by ▁the ▁Commun ist ▁International , ▁it ▁was ▁hoped ▁that ▁he ▁would ▁gain ▁support ▁from ▁left - wing ▁Social ▁Democr ats ▁dis g usted ▁by ▁H inden burg ' s ▁character . ▁Indeed , ▁left ist ▁spl inter ▁parties ▁such ▁as ▁the ▁Social ist ▁Work ers ' ▁Party ▁of ▁Germany ▁and ▁the ▁International er ▁Sozial ist ischer ▁K amp fb und ▁organization ▁declared ▁their ▁support , ▁as ▁did ▁intellect uals ▁like ▁Carl ▁von ▁O ss iet z ky . ▁ ▁Camp aign ▁and ▁end ors ements ▁ ▁H inden burg ' s ▁conserv ative ▁supp or ters ▁had ▁not ▁made ▁any ▁personal ▁attacks ▁against ▁Hitler ▁in ▁the ▁first ▁round , ▁although ▁they ▁critic ized ▁the ▁NS D AP ▁and ▁its ▁ide ology . ▁In ▁the