What effect does Hughes achieve by repeating the phrase "does it" in "Harlem"? Short words and hard consonants create a sense of angry uncertainty. Short words and questions demonstrate Hughes'confidence. The repetition creates a sense of peace and serenity for the reader. The repetition highlights Hughes's feelings of sell -respect.

The correct answer is: Short words and hard consonants create a sense of angry uncertainty.<br /><br />In Langston Hughes' poem "Harlem," the repetition of the phrase "does it" serves to emphasize the speaker's frustration and uncertainty. The use of short words and hard consonants in this repetition contributes to a sense of anger and uncertainty, as the speaker grapples with the potential consequences of deferred dreams. This repetition creates a rhythmic pattern that underscores the emotional intensity of the poem, highlighting the speaker's internal turmoil and the broader social and historical context of racial inequality and unfulfilled aspirations.