MLK's "Letter from a Birmingham Jail" basically says that one reason that the non-violent movement should be supported is because the alternative is violent Bla

MLK's "Letter from a Birmingham Jail" basically says that one reason that the non-violent movement should be supported is because the alternative is violent Black Nationalism. As an aside, if you haven't read it I highly recommend it. I think it's an excellent example of arguing that a position is consistent with people's existing worldview instead of trying to force them to adopt a different worldview.