The division of governmental authority among distinct branches is a fundamental principle in constitutional governance. This system allocates specific powers and responsibilities to different branches, typically the legislative, executive, and judicial, to prevent any single branch from accumulating excessive power. For example, the legislative branch might be responsible for enacting laws, the executive branch for enforcing them, and the judicial branch for interpreting them.
This framework serves as a crucial safeguard against tyranny and promotes accountability within the government. By distributing power, it encourages deliberation and compromise, leading to more balanced and considered policy decisions. Historically, the concept has evolved from philosophical ideas advocating for checks on power, becoming a cornerstone of democratic governance in many nations.