The Hate U Give is Angie Thomas's first novel about a teenage girl who grapples with racism, police brutality, and activism after witnessing her black friend murdered by the police. The book became an immediate young adult bestseller and was adapted into a movie shortly after its release.
The repetition of the work "singing" is associated with the enumeration of who is singing: for example the carpenter, the mason and the shoemaker.
Therefore, "singing" contributes to the feeling that everyone is singing: it provides a feeling of unity.
This singing also symbolizes hope for well-being: all those singing people have a job and a secure existence.
The correct answer is:
<span>The repetition emphasizes hope and a unified vision for America.</span>