Parallelism is the repetition of a grammatical form within a sentence.
Within one sentence in this poem, the author repeats prepositional phrases preceded by the conjunction nor and followed by the conjunction for and the pronoun they.
Parallelism is a literary device. When we use parallelism, it means that we are making sentences that are generally the same (grammatically speaking). They follow a similar structure or grammatical construction, such as the ones in the excerpt.
