Complex sentence: Nolan wanted to create and define episodes in Australian nationalism, to retell the story ofas become a metaphor for humankind--the fighter, the victim, and the hero--resisting tyranny with a passion for freedom.
Split into simpler sentences: Nolan wanted to create and define episodes in Australian nationalism, to retell the story of a hero. A hero which now has become a metaphor for humankind--the fighter, the victim, and the hero--resisting tyranny with a passion for freedom.