The correct answer is option A: Short words and hard consonants create a sense of angry uncertainty.
In this poem, Hughes expressed "Harlem" in 1951, and it is one of his most basic topics - the impediments of the American Dream for African Americans.
Harlem, also called A Dream Deferred, is a 11-line poem written by Langston Hughes, published in 1951 as part of his Montage of a Dream Deferred, an extended poem cycle about life in Harlem.