Final answer:
Repetition is the element that connects most to the theme of a poem.
Step-by-step explanation:
The element that connects most to the theme of a poem is repetition. Repetition is a powerful rhetorical device used by authors to emphasize important points and explore a theme. It can be the repetition of words, phrases, or even patterns within a poem. By repeating certain elements, the author brings attention to them and helps convey the overall theme of the poem.