In "The Mark of Athena" by Rick Riordan, there's an exchange involving a character, Leo, who expresses confusion about Mussolini's relationship with Hitler. The mention of Mussolini indicates that characters in the story are contemplating historical alliances during World War II.
Leo's remark highlights the complexity of such relationships, particularly regarding how alliances can shape political landscapes. This moment reflects the book's blend of history and mythology, showcasing the characters' knowledge and curiosity about the past as they embark on their own adventures.