Nyorai kupfuurira kweiyi ndima - Edgerton akanga ari mumiririri kukokorodzano yakaumba Free Soil Party, muna 1848. Akabva ava gweta romuSummit County, Ohio, kubva muna 1852 kusvika muna 1856. Gare gare muna 1856, Edgerton akanga ari nhume kuRepublican National Convention yokutanga
. Gore iroro, akasarudzwa kuti ave mutongi anoona nezvekuchengetwa kwenhaka, asi akaramba. Edgerton akasarudzwa seRepublican kuUnited States House of Representatives muna 1858.