The following text is from Walt Whitman's 1860 poem "Calamus 24."

I HEAR it is charged against me that I seek to destroy institutions;
But really I am neither for nor against institutions
(What indeed have I in common with them?--Or what with the destruction of them?),
Only I will establish in the Mannahatta [Manhattan] and in every city of These States, inland and seaboard,
And in the fields and woods, and above every keel [ship] little or large, that dents the water,
Without edifices, or rules, or trustees, or any argument,
The institution of the dear love of comrades.

Which choice best describes the overall structure of the text?