The United States of America(U.S.A) is always considered as the most felicitous implement of power separation. Its constitutional law consists of shadows that John Locke advocated. Even though no such wording found in the constitutional law, it have given clear guidelines to follow; it indicate that all legislative powers shall be vested in a Congress, the executive power in a President, and judicial power of the United States in one Supreme Court" and "in such inferior Courts as the Congress may establish. Their approach is to set up a governmental system to maximize civil freedom, instead of maximum efficiency." it is not possible to give to each department an equal power of self-defense. In republican government, the legislative authority