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Presidential system - Wikipedia
presidency of the United States of America - Encyclopedia Britannica
Presidency of the United States of America - Britannica
9.2 What Is the Difference between Parliamentary and Presidential ...
President | Definition, Responsibilities, & History | Britannica
Presidentialism | The Oxford Handbook of Comparative ... - Oxford …
President of the United States - Wikipedia
10.1 Democracies: Parliamentary, Presidential, and Semi-Presidential …
Roles and powers of the president: lesson overview
10.4 Advantages, Disadvantages, and Challenges of Presidential …