What is North korea foreign policy?

The north Korean foreign policy is a strict Isolationist policy that tends to minimise the political, economic, social, cultural and media interactions.

Explanation:

Ever since the end of the Korean war and the establishment of North Korea, the totalitarian and dictatorial state only kept strong relationships with a handful of communist states, while China was their greatest ally, having supported them during the Korean war, United States is considered by them as the greatest threat.