Final answer:
The nonfiction prose in the options is the essay about politics.
Step-by-step explanation:
Nonfiction prose refers to writing that presents factual information and real events. Based on this definition, the essay about politics would be the nonfiction prose in the given options. It is a form of writing that presents ideas, opinions, and analysis of real political events and issues. The children's book about fairy princesses, the script about an imaginary world, and the poem about talking animals are all forms of fiction, as they involve imaginary elements and do not present factual information.
Learn more about Identifying nonfiction prose