 Nyora kupfuurira kweiyi ndima - Kurwisana kwezvematongerwe enyika kwechisimba muKansasKurwisana neKansas-Nebraska Act kwakaramba kwakasimba muNorth yose. Sezvo sarudzo dza1856 dzakasvika, Lincoln akabatana neRepublicans ndokupinda musangano weBloomington, uyo wakatanga zviri pamutemo Illinois Republican Party. Purogiramu yekokorodzano yakatsigira kodzero yeCongress yokudzora uranda munharaunda uye yakatsigira kubvumirwa kweKansas senyika yakasununguka. Lincoln akapa hurukuro yokupedzisira yekokorodzano achitsigira purogiramu yebato ndokukumbira kuchengetedzwa kweBatanidzwa. PaJune 1856 Republican National Convention, kunyange zvazvo Lincoln akagamuchira rutsigiro rwokuti azomirira kuva mutevedzeri wemutungamiri wenyika, John C. Frémont naWilliam Dayton vakagadzira tikiti, iyo Lincoln yakatsigira muIllinois yose. VaDemocrats vakasarudza aimbova Munyori weHurumende James Buchanan uye Vaisaziva vakasarudza aimbova Mutungamiriri weWhig Millard Fillmore. Buchanan akakunda, apo muRepublican William Henry Bissell akakunda sarudzo saGavhuna weIllinois, uye Lincoln akava muRepublican anotungamirira muIllinois. 