Answer: International
Step-by-step explanation:
Relations that a country engages in with another country or group of countries is referred to as International Relations.
With borders around the world becoming figuratively smaller due to globalization, international relations is a very important field in the world today as it is needed to foster mutually beneficial relationships between countries.
It is for this reason that countries have embassies in other countries, a role which in the United States, falls under the purview of the State Department.