I believe the best answer is D. The discrepancy between what is expected and what really happens as with dramatic irony, this could be quoted as a definition. Dramatic irony is when a reader expects one thing to happen, but something else happens, or when the reader knows something will happen but the character does not.
He said in both that all the suffering of all the people would pay off with equality between the two races and he spoke about his dream in both to. Oh just sayin bruh thts not really english thats history.
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