I believe it is called the power of judicial review
The role of the President as Chief Diplomat is the one that calls him to set the nation's foreign policy, in fact, it makes him its main designer. His power is so large that his rulings are followed both by the US and foreign parties.
The roles established for the President of the United States are the following:
- Chief of State
- Chief Executive
- Chief Diplomat
- Commander in chief of the Armed Forces
- Legislative Leader
- Chief of Party
- Guardian of the Economy.
- chief citizen
