What primary function does the President play in regard to foreign policy?

The primary function that the President plays in regard to foreign policy is to act as the primary representative in international negotiations. This role is rooted in the President's constitutional authority as the chief diplomat of the United States. The President negotiates treaties, oversees foreign relations, and represents the country during negotiations with other nations. This includes everything from formal treaties, which require Senate approval, to executive agreements that do not need Congressional approval.

The President's ability to engage with foreign leaders, set the tone for diplomatic relationships, and respond to international crises is critical to the United States' presence on the global stage. While the Congress plays a significant role in shaping foreign policy through legislation, funding, and oversight, the President's unique position allows for swift decision-making and direct engagement with other countries, making them the key actor in foreign affairs.