Which element of modernist poetry is evident in this excerpt from "the negro speaks of rivers" by langston hughes?

The correct answer is that the poem uses the stanzas of varying lengths.

Modernism is the period of great experimentation in literature, be it poetry or prose. When you think of poetry us usually think of the structured stanzas and the meters but in modernism many of the conventions were broken and new methods of writing poetry were sought. Hughes achieves his intention with varying the length of stanzas which command attention from the reader.

The answer would be b.