Read the passage from "It Sifts from Leaden Sieves." It Ruffles Wrists of Posts As Ankles of a Queen - Then stills its Artisans - like Ghosts - Denying they have been - Which poetic device is demonstrated in the passage? What is its meaning?

simile; snow protects like a high fence

metaphor; snow is a schoolyard bully

imagery; the snow is deep and slippery

personification; the snow commands its workers