In “the negro speaks of rivers,” how does langston hughes use image of rivers, dark, and light, to communicate the experiences of his race?

In “The Negro Speaks of Rivers,” Langston Hughes uses image of rivers, dark, and light, to show that the black community was experiencing extremely difficult times and his voice was the one that actually united his race. His views and poetry were not appreciated by the white community, yet he became one of the most prominent writers of Harlem Rennaissance in America.

must repent and believe in god.

or the book

journey across time - chapter 10 "the rise of christianity"