What does The Constitution grants specific powers to the president regarding foreign policy decisions. Which power does not require the approval of Congress?

The Constitution grants the president specific powers in foreign policy, including the authority to negotiate treaties and appoint ambassadors, both of which require Senate approval. However, the president has the power to make executive agreements with other nations that do not require congressional approval. Additionally, the president serves as the Commander-in-Chief of the armed forces, allowing for military action without immediate congressional consent, although Congress retains the power to declare war.