How can civil theory navigate the complex interplay between individual rights and societal obligations within the framework of law, balancing the imperative of protecting individual liberties with the need for collective governance and social cohesion? Furthermore, how does civil theory grapple with the tension between legal positivism and natural law, reconciling the positivist emphasis on law's authority with the natural law's grounding in moral principles? Additionally, how does civil theory address the challenges posed by cultural diversity and globalization, ensuring that legal systems remain adaptable and inclusive while upholding fundamental principles of justice and equity? Moreover, how does civil theory conceptualize the relationship between law and social change, acknowledging the dynamic nature of legal norms and institutions in shaping and responding to evolving social realities?