Both poets are talking about the snow. However, Dickinson did not identify the snow. She only used the pronoun "it" in describing the snow. Emerson provided clarity when he said "arrives the snow".
The mood of It sifts from Leaden Sieves is very calm and soothing whereas the mood of The Snow-Storm is very wild and tumultuous.<span />
Either add the passage with the question so we know what you are referring to or do not post questions like these. Not everybody has read what you have. This question is completely useless and unanswerable without the story to go off of.
Answer:
The name of the huge country is Russia