Having grown up in a Whig household, Harrison initially favored that party's politics, but joined the Republican Party shortly after its formation in 1856 and campaigned on behalf of the Republican presidential candidate, John C. Frémont.
Harrison was having grown up in a Whig household. Harrison initially favored that party's politics. Harrison initially joined the Republican Party shortly after its formation in 1856. Harrison initially campaigned on behalf of the Republican presidential candidate. John C. Frémont was the Republican presidential candidate.