Answer: Separation of powers.
Explanation: The constitutional principle of separation of power recognized the division of governmental powers into three branches. The legislative, executive and judicial powers. This principle is a representation of governmental power in which the government is divided into three branches, each is saddled with independent , separate responsibilities so that powers of one branch are not in conflict with those of the other branches. It is also known as the trias politica model. Therefore, the principle of separation of power refers to the division of responsibilities into distinct branches of government by limiting any one branch from exercising the core functions of another.