By in the speech the speaker is more likely to accomplish the goal of

The correct answer is:

D) data; changing attitudes, beliefs, or values

The sentence will be as follow:

By including data in the speech the speaker is more likely to accomplish the goal of changing attitudes, beliefs, or values.

third person

explanation:

note the usage of names and pronouns, "james" & "the old man". this alone can confirm it as third person, as first person uses "i" and the like, while second person uses "you" and the like.

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