Howell’s message of praise for Emperor Haile Selassie also came with an open call for black supremacy as a way to combat colonialism and reject oppression by whites. At times, Howell would ask his congregants to join together and sing “God Save the King” – the king being Haile Selassie. Howell’s central doctrine acted as a force against white colonial ideology due to his placement of blackness as morally superior to whiteness, as is explained in his widely read publication, "The Promised Key".