In “Excerpt from Cicada Summer” how do paragraphs 9 and 18 contribute to the story?

the united states began searching for a way to reduce oil

-agarvated

my friend is on my computer

c. archbishop desmond tutu promoted the acknowledgement of the rights of black africans and expose human rights abuses.

d. leader haile selassie modernized african society through the institution of progressive social, economic, and educational reforms.