The tone can portray the author's perception of his country because the tone will help the readers understand how the reader feel and his attitude towards his country.
Well, since you didn't include the excerpts, I cannot possibly know which ones you are referring to, but overall, Dickinson used iambic tetrameters and iambic trimeters in this poem.
A pular is more than one in number. and a singular is <span>exceptionally good or great; remarkable.</span>