How does Brutus's internal conflict enhance the theme of the story?

Brutus's internal conflict significantly enhances the theme of the story by revealing the complexity of human morality. His struggle involves grappling with his loyalties to both his friend Julius Caesar and his country, leading him to make choices that reflect the nuances of moral decision-making. This conflict showcases how individuals can be torn between personal relationships and broader ethical principles, highlighting that morality is not a simple dichotomy of right and wrong. By delving into Brutus's motivations, doubts, and justifications, the narrative illustrates the difficulty of making moral choices in a world filled with conflicting values, ultimately portraying the intricate layers of the human experience.