Poetry and Rhymes

When Carl Sandburg says "the fog comes on little cat feet", what poetic device is it?

More Questions from Poetry and Rhymes
And that has made all the difference is the final line in which Robert Frost poem?
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What color was Mary's little lamb?
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In "Thumbelina", a field mouse tries to get the title character to marry what animal?
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What did little Jack Horner pull out from the pie in "Little Jack Horner"?
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In Shel Silverstein's poem, where does the grass grows soft and white?
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Whose poem is titled "American Football"?
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Whose men tried to put "Humpty Dumpty" back together?
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Who wrote the epic poem "The Aeneid"?
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