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  1. Presidential system - Wikipedia. Contents. hide. (Top) History. Development in the Americas. As a global system. Characteristics. Separation of powers. Checks and balances. Efficiencies and inefficiencies. Presidential elections. Fixed-terms. Limited mechanisms of removal. Head of government as head of state. Comparative politics.

  2. In the United States, politics functions within a framework of a constitutional federal republic and presidential system, with three distinct branches that share powers: the U.S. Congress which forms the legislative branch, a bicameral legislative body comprising the House of Representatives and the Senate; the executive branch, which is headed ...

  3. Há 5 dias · presidency of the United States of America. United States government. Also known as: president of the United States of America. Written by. Forrest McDonald. Distinguished Research Professor of History, University of Alabama, Tuscaloosa.