Why does EE Cummings use parentheses in his poems?

EE Cummings often used parentheses in his poems to create a unique and distinct rhythm, to give emphasis to certain words or ideas and to create a sense of separation or contrast within the poem. By enclosing words or lines within parentheses, Cummings could bring attention to certain moments or elements of the poem, enhancing their significance. Additionally, parentheses could be used to introduce different voices, perspectives, or comments, adding layers of meaning and depth to the poem.