Original sentence: The pamphlet was a hoax, concocted by Democrats, to discredit the Republicans by imputing to them what were then radical views that offended against the attitudes of the vast majority of whites, including those who opposed slavery
Edited sentence: The pamphlet was a hoax, concocted by Democrats, to discredit the Republicans by imputing to them radical views that offended against the attitudes of the vast majority of whites, including those who opposed slavery