you know thats actually an interesting comparison, they focused on religion they were a radical protestant group, its just that most protestants were white, and most white protestants back then were also racist. But they didn't focus specifically on race, they focused catholic and chinese immigrants. So just like trump's cult there is no real direct talk of racism against blacks although it is certainly there amongst his followers (just mention BLM around one of them lol), but you never hear the well polished dogwhistles of welfare queens and urban thugs from Trump like we did with Romney. Instead his speech is directed toward immigrants except this time his catholic immigrants are from mexico and the oriental immigrants from the middle east rather than china. From your link "I am not a Know-Nothing – that is certain. How could I be? How can any one who abhors the oppression of negroes, be in favor of degrading classes of white people? Our progress in degeneracy appears to me to be pretty rapid. As a nation, we began by declaring that 'all men are created equal.' We now practically read it 'all men are created equal, except negroes.' When the Know-Nothings get control, it will read 'all men are created equals, except negroes and foreigners and Catholics.' When it comes to that I should prefer emigrating to some country where they make no pretense of loving liberty – to Russia, for instance, where despotism can be taken pure, and without the base alloy of hypocrisy." This quote from lincoln shows how much the know nothings and their anti immigrant attacks helped start the civil war.