In "Australia Revenged by Boomerang," the story likely revolves around a fantastical or speculative scenario in which Australia seeks revenge or retribution against another nation or entity. The title suggests a theme of vengeance and possibly explores issues of colonialism, nationalism, or power dynamics.As the story unfolds, readers may be introduced to a cast of characters, including Australian heroes, political leaders, and possibly even aliens or otherworldly beings, who play a role in the narrative. Themes of patriotism, justice, and the consequences of aggression may be explored as the story delves into the motivations and actions of the characters.