Well, that and "Rum, Romanism, and Rebellion." Blaine lost votes because of that unguarded anti-Catholic remark by a supporter.
The irony there -- which I just learned today in wikipedia -- is that Blaine's mother and half his family were Catholic.
It didn't bother so-called liberals here in Colorado to use a constitutional provision born in religious bigotry to block one school district's voucher plan because, horror of horrors, some parents might use their voucher in a parochial school.