The structure of the United States federal government is predicated on a fundamental principle: the separation of powers. This principle divides governmental authority among distinct entities, preventing the concentration of power in any single person or group. Each entity has specific, constitutionally defined responsibilities and authorities.
This framework fosters a system of checks and balances, ensuring that each entity can limit the actions of the others. Historically, this design was intended to safeguard against tyranny and promote a balanced and representative republic. The benefits of this structure include protection of individual liberties, promotion of governmental accountability, and prevention of arbitrary rule.
