Final answer:
The story "Leiningen versus the Ants" takes place in Brazil, where the main character, Leiningen, combats a large swarm of ants that threaten his plantation.
Step-by-step explanation:
The story "Leiningen versus the Ants" is set in Brazil. This tale of adventure and survival penned by Carl Stephenson revolves around a plantation owner named Leiningen, who battles a massive swarm of soldier ants. The protagonist's cunning and determination are pitted against the relentless forces of nature in the Brazilian backdrop.