Rubuta ci gaba ga wannan sakin layi - Ya kasance ma'auni na gwaninta na Shugaba Lincoln ba kawai cewa ya lashe yakin ba amma ya yi haka ta hanyar zanawa da kuma hada karfi na anti-bautar, 'yanci kyauta, dimokuradiyya, da kuma kishin kasa. Confederation ya yi watsi da duk wani aiki na jam'iyyar, kuma ta haka ne ya rasa amfanin wata kungiya ta kasa da ke da alhakin tallafawa gwamnati. A cikin Union, Jam'iyyar Republican ta amince da goyon bayan yaki, ta sami jami'ai, mazaje, masu ba da gudummawa, taimako ga matan aure da gwauraye, kayan yaƙi, sayen jingina, da kuma sha'awar da ke da muhimmanci ga nasara. 'Yan Democrat da farko sun goyi bayan yakin Union, kuma a 1861 da yawa' yan siyasar Democrat sun zama masu mulki da kuma janar. Lincoln ya sanar da shi a watan Satumba na 1862, an tsara sanarwar 'yanci da farko don halakar da tushen tattalin arzikin' Slave Power '. Da farko ya nisantar da 'yan Democrat da yawa na arewa har ma da' yan Republican masu matsakaici. Ba sa son su goyi bayan yaƙi don amfanin waɗanda suke ganin ba su da daraja. 'Yan Democrat sun sami gagarumar nasara a zaben tsakiyar shekara ta 1862, amma' yan Republican sun ci gaba da iko tare da goyon bayan Jam'iyyar Unionist. Nasara a fagen fama (musamman faɗuwar Atlanta
) ya taimaka sosai ga 'yan Republican a zaben 1864. 'Yan Democrat sun yi ƙoƙari su yi amfani da mummunar martani ga Emancipation, amma ta 1864 wadannan sun ɓace saboda nasarar da ta samu wajen raunana Kudu. Bugu da kari, 'yan Republican sun yi zargin cin amanar kasa a kan' Copperheads 'wani batun yakin neman zabe mai nasara. Ƙari da yawa rundunar Sojan Tarayyar ta zama Republican a cikin kayan aikinta; mai yiwuwa yawancin 'yan Democrat da suka yi rajista sun yi tafiya zuwa gida na Republican, ciki har da irin waɗannan manyan shugabannin kamar John Logan da Ben Butler.