In international politics, protocol is the etiquette of diplomacy and affairs of state. It may also refer to an international agreement that supplements or amends a treaty. A protocol is a rule which
U.S. secretary of state John Kerry and French foreign minister Jean-Marc Ayrault leave the French Foreign Ministry at Quai d'Orsay after Ayrault awarded the secretary the Grand Officer of the Légion d'honneur, the second-highest level of the French award, during a ceremony on December 10, 2016.