Pedzisa mutsara unotevera: Muna 1855, Brainerd akanga ari mumwe wevarongi veRepublican Party itsva, iyo yakavambwa sesangano guru rezvematongerwe enyika rinorwisana nouranda. Akashanda sachigaro wokutanga weVermont Republican Party, uye akanga ari mumwe wevatungamiri vashanu vebato rehurumende vakapa kudanwa kwekutanga
Republican National Convention muna 1856. Brainerd akanga ari nhume, uye sapurezidhendi wenguva pfupi iye akadana kokorodzano kuti iite musangano wayo wokutanga. Brainerd akazosarudzwa kuti ashande semumwe wevatevedzeri vemutungamiri wekokorodzano, uye akagadzwa senhengo yeRepublican National Committee. Brainerd akasarudzwa semumwe weVermont's presidential electors mushure mesarudzo dza1856. Apo vavhoti veVermont vakasangana muna December kuti vavhote, Brainerd akasarudzwa kuva sachigaro wavo. Vose vakasarudza tikiti reRepublican raJohn C. Frémont nokuda kwokuva purezidhendi naWilliam L. Dayton nokuda kwokuva mutevedzeri wapurezidhendi, uyo akatakura Vermont asi akarasikirwa nesarudzo.