Answer: His perseverance.
Explanation: By claiming his "heart [never] gave consent" he's trying to get the reader to notice he was not captivated by Calypso and instead always had his heart set on home.
The first line says "secure", which rhymes with the word "sure" (this is at the end of the second line). The word at the end of the third line is "keeps", which rhymes with the word of the forth line, "sleeps".
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Answer:
They remind the reader of the speaker's liberty and self-confidence. What is the most likely reason the author chose a free verse structure for "Song of Myself"? Free verse allowed for the expression of expansive ideas.
Explanation: