3 Separation of Powers and Checks and Balances under the PresidentialConstitution

The presidential system (exemplar: the United States) is built on the strictest formal separation:1. Separate origin and survival: the President is elected by the people (directly or via electoral college) for a fixed term; legislators separately elected for fixed terms. Neither depends onthe other's confidence — no dissolution of the legislature by the President, no removal of the President by ordinary no-confidence (impeachment for grave misconduct only).2. Strict incompatibility: no member of the legislature may hold executive office; the President's cabinet is appointed, not elected, and (in the pure model) cannot sit in Congress.3. Functional checks: presidential veto over bills (overridable by supermajority — the legislative counter-check); Senate ratification of treaties and key appointments; congressional power of the purse (appropriations), oversight committees and investigation; impeachment of the President, judges and officers by the legislature; judicial review of both branches (since Marbury v. Madison, 1803).4. Federal and bicameral additions: federalism and a strong upper house further disperse power.Strengths: stability of the executive (fixed term), energy (single-headed decision), representation of the whole people in the President, and genuinely mutual checks. Weaknesses: gridlock when branches are politically opposed (divided government); personalization of power in the President; difficulty of removing a failed President between elections; weaker collective accountability — the voter cannot throw the government out as a whole.Comparative notes (worth a line each):…