By alluding to Whitman's poem in "I, Too, Sing America" Hughes was able to

draw connections to US cultural heritage.

criticize other African American poets.

become the leader of the Harlem Renaissance.

write about the US in a totally new way.

The option that best fits the blank provided is the second option. "I, Too, Sing America" was written by Langston Hughes. Hughes, who alluded Whitman's poem, criticized other African American poets. This poem is mainly focused on the "darker brothers" or those of different color and race.