Tuhia he haere tonu mō tēnei wāhanga - He mema a Edgerton ki te huihuinga i whakatūria ai te Free Soil Party, i te tau 1848. I mahi ia hei kaitohutohu mo te Kaute o Summit, Ohio, mai i te 1852 ki te 1856. I muri mai i te tau 1856, ko Edgerton he karere ki te Huihuinga Motu Reipa tuatahi
He aha? I taua tau ano, i whakaingoatia ia hei kaiwhakawa mo te mana pupuri, engari i whakakahoretia e ia te whakaingoatanga. I pootihia a Edgerton hei Republican ki te Whare Paremata o te United States i te tau 1858.