Why does walt whitman use the word singing in the title "i hear america singing"?

Which of the following lines contains a simile? you wet brown bag of a womani think that i shall never see/ a poem lovely as a treebecause i could not stop for death/ he kindly stopped for mea little learning is a dangerous thing

Which of the following is the original meaning of the word college? a. an independent institution of higher learning offering a course of general studies leading to a bachelor’s degree b. a building used for an educational or religious purpose c. a group of persons considered by law to be a unit d. a body of clergy, living together and supported by a foundation

Which is these is not a benefit of parallel structure? a)clarity b)classification c)emphasis d)balance