<span>Aside from individual word choice, the overall tone, or attitude, of a piece of writing should be appropriate to the audience and purpose. </span><span>Diction is word choice. When writing, use vocabulary suited for the type of assignment.
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Answer:
social comparison
Explanation:The theory of social comparison claims that people assess their own social and personal worth on the basis of how they stack up against others. Often people compare to others as a way to foster self-improvement, self-motivation, and a positive self-image.
Themselves.
The cue here is fight. Since the fight verb presents itself as plural then we should use themselves to satisfy correctly the sentence. Moreover, the use of itself is when the subject is singular.
For example,
The chair moved by itself which was a spooky gesture.
I THINK its A. but i might be wrong. the definition seems the closest to the sentence