Could you revise this thesis statement so that it contains the following
Martin Luther King Jr. uses metaphors and analogies in his letter to appeal to the spectators from an emotional point of view and persuade his audience to join his anti racist movement.

Is your thesis statement one sentence?
Does it answer the question?
Does it use specific words?
Does it take a stand? Could someone have a different interpretation?
Does it answer “Why does this matter?” or “So what?”