Why would authors write a story in second person?

Second person pulls the reader into the action. Especially if you write in the present tense, second person allows the reader to experience the story as if it's their own. ... Using the pronoun “you” and describing action as it happens supplies a personal sense of urgency, propelling the story—and the reader—forward.

Explanation:

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obama was told in early july 2004 that he was chosen to deliver the address, and he largely wrote the speech himself, with later edits from the kerry presidential campaign.

they used personification to make the truck seem mean and violent.

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