The KKK used the slogan, but it came about around WWII with Lindberg who was a Nazi sympathizer.
 GuitarDoctor
                                                
                                                Level 7
                                                June 5, 2019
                                            
                                                
                                                    GuitarDoctor
                                                
                                                Level 7
                                                June 5, 2019                                            
                                        they used it to revive the Klan in the 1920s'... The Methodist church would have ranks of them at each service in full robes hoods and all.... The so-called "Christian flag" was invented by them during that period...