> At the time this movie was being made I don't think NK was any more sanctioned than any other Eastern Bloc country
The U.S. “imposed sanctions in the 1950s and tightened them further after international bombings against South Korea by North Korean agents during the 1980s” [1]. And by the 80s, savvy Eastern Bloc countries could read the writing on the wall.
[1] https://en.m.wikipedia.org/wiki/International_sanctions_agai...