<span>The best definition of diction as a rhetorical device is:
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b. the choice of words that creates the tone
Diction is the way words are pronounced and grouped correctly. This is considered as a rhetorical device to successfully persuade and impress the audience.
The answer to your question is Virginia Woolf, Mrs. Dalloway
<span>He wanted to suggest that one should be willing to go to great lengths for a belief.</span>