The technique that Dickinson uses in the phrase "Much Madness" is A. alliteration. Alliteration refers to the repetition of the same consonant at the beginnings of neighboring words - here, the letter M is repeated. Imagery refers to the use of descriptive language to create vivid images in the minds of the readers. Rhyme is the repetition of the same syllable at the end on lines in poetry. Enjambment is when authors continue a thought from one line into another.