"let us go then, you and i, when the evening is spread out against the sky like a patient etherized upon a table; " how do these lines establish themes in the poem? they serve as an invitation to find peace and tranquility in nature. they express natural beauty and the healing powers of nature. they suggest sickness in the modern world and the inability to act. they establish an optimism about healing the world and forming meaningful connections.

They serve as an invitation to find peace and tranquility in nature.

Someone being "etherized" is someone being put under anesthesia, or being put to sleep on a table. Taking this idea that the sky is spread out, tranquil, and calm like someone being put to sleep makes for a peaceful and tranquil opening for the poem.  

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Well based on the summary,   the setting plays a big role in char. development since the cat has been spoiled and babied her whole life she has to figure out how to survive on there own for the first time. and since winter is coming the cat is faced with lots of dangers and troubles. but, like you said with the storm that brought an invasion of rats, since she is   a cat shell figure out how to kill and get food and the storm is the best way to learn right. can you mark me brainliest pls! read more on -