One of the most difficult scenes in the book comes near the end, when Westover realizes that Shawn has killed his dog Diego after coming to her parents’ house with a knife in hand. How does this moment change things for Westover?

this would be in the imperative mood. it is a category of verb forms that are used to express orders,instructions,commands or requests.

second person

explanation:

note the heavy uses of "you", "your", as well as "he".

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i think the literacy device is "it's frozen head"

at the beginning of the story, elisa just has the small idea of wanting more attention, but as the story progressed, her desire for more attention grew larger. before she talked to the man with the wagon she was just focused on her chrysanthemums but when she talked to him and got some attention she enjoyed it, so she decided to get all dolled up for henry. but when they were on the way to dinner she was so upset because she saw the flowers on the side of the road and realized the man didn't take interest in her like she thought.