Not sure but o captain my captain was written by walt whitman about abe Lincoln and since Lincoln is considered an important figure in us history because he wanted to abolish slavery and considered to have ended slavery maybe the poem is famous because it was written about such an important historical figure. may not be the right answer but it is just my guess
That they should fight on the beaches
Answer: He is different from the rest of the people who live there. He got the job of the giver because of this.
