The answer you are looking for is B
Answer: International
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.
<span>An army attacks from the flank because they could be coming from a more advantageous position. Also attacking at the flank hits them where they are not prepared, since they are marching to fight head on.</span>
The answer to this is isolationism