What is the principle that most clearly distinguishes the parliamentary system from the presidential system?

Question

Quizplus · Accepted Answer

The principle that most clearly distinguishes the parliamentary system from the presidential system is responsible government. In a parliamentary system, the executive branch (prime minister and cabinet) must have the support of the majority in the legislative branch (parliament), and they are accountable and can be removed by parliament through a vote of no confidence. In a presidential system, the executive branch is separate from the legislative branch and is not accountable to them in the same way. Instead, the president is elected separately and has their own mandate, and they can only be removed through impeachment by the legislature. Constitutionalism and rule of law are principles that are important in both systems, and majority rule is a fundamental concept in representative democracies in general.

What Is the Principle That Most Clearly Distinguishes the Parliamentary