Which scenario BEST demonstrates an informal power of the President related to foreign policy?

A) The President holds a dinner for a leader of a newly formed nation.

B) The President instructs the Navy and the Air Force to perform a joint military operation.

C) The President orders American ambassadors in hostile countries to hold more meetings with foreign diplomats.

D) The President meets with the heads of many nations and helps create a treaty that gives us new allies and trading partners.