 Nyorai kupfuurira kweiyi ndima - Pakati pekukombwa kweCharleston muna May 1780 uye Hondo yeCamdenmuna Nyamavhuvhu gore iroro, North Carolina Line yakasununguka sangano rehurongwa raibatanidza zvese zveNorth Carolina Continental Army zvikamu rakaparadzwa zvachose, vachitambura kurasikirwa kukuru uye kurasikirwa nevarume vazhinji sevasungwa vehondo. Munenge muchikamu chenguva iyoyo, Sumner akanga ari kuNorth Carolina achiita basa rokutsvaka vanhu. Panzvimbo pokuvakazve Line, North Carolina General Assembly yakasarudza kuvimba nemasoja nokuda kwokudzivirira nyika. MunaGunyana 1780, Sumner akaendeswa kwenguva pfupi kutungamira kweHillsborough District Brigade, pasi pehutungamiriri hwehurumende hwaRichard Caswell. Somutungamiri weboka revarwi veNorth Carolina, Sumner akapiwa basa rokudzivirira nyika kubva pakufambira mberi kweBritish General Charles Cornwallis, asi varwi vacho vakanga vasina kugadzirirwa zvakanaka uye vasina kudzidziswa zvakanaka. 