What type of noun is a memo? person place thing idea

How does the poem's mood and tone change in each of these stages of “o captain! my captain! ” by walt whitman? (i need an answer asap )

Which statement best paraphrases these sentences from the text

I’m robert frost poem “mending wall”, what does the narrator have on his side of the wall? a. a pine forest b. a cow farm c. an apple orchard d. a rabbit nursery