Final answer:
The author is using personification in this excerpt from Matthew Arnold's poem 'Dover Beach'.
Step-by-step explanation:
The author is using personification in this excerpt from Matthew Arnold's poem 'Dover Beach'. Personification is the literary device used when inanimate objects or abstract concepts are given human qualities or actions. In this case, the author uses the phrase 'for the world, which seems to lie before us like a land of dreams' to describe the world as if it is a person that can lie or deceive.
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