Final answer:
Frederick Douglass characterizes religion in America as a tool of oppression and hypocrisy that perpetuates slavery and racial discrimination.
Step-by-step explanation:
In the Appendix of his narrative, Frederick Douglass characterizes religion in America as B) A tool of oppression and hypocrisy that perpetuates slavery and racial discrimination. Douglass denounces the way slaveholders use their Christian faith to justify their cruel treatment of enslaved individuals. He argues that slaveholders' claimed profession of Christianity is a fraud and that religion is being used to maintain the institution of slavery.