Ka kammala wannan magana: Bayan wa'adinsa ya ƙare a shekara ta 1865, Armstrong ya koma Cleveland, ya sayi "The Plain Dealer", kuma ya shirya shi har 1883. A shekara ta 1868 ya yi shaida a shari'ar tsige Shugaba Johnson. Ya kasance wakili a taron kasa na jam'iyyar Democrat a 1868,
1880, da kuma 1884.