Assonance takes place when two or more words close to one another repeat the same vowel sound but start with different consonant sounds.
Assonance is uses here because the words repeat the same vowel sounds but the words don't start with the same consonant.
Repitition of the same consonant sounds at the beginning of a group of words is alliteration.
Answer:
In the last stanza of 'Dover Beach', the speaker urges his ladylove to “be true to one another” as the new world, that seems to be so beautiful apparently, does not evoke much hope for him. To talk about the stylistic aspects of the poem, the lines are mostly rhyming
Use adjectives and descriptive language
Walt Whitman is best known for his use of imagery