The correct answer is - D. none of the above.
The region that is described in the statement is a vernacular region. This types of regions do not have official boundaries created by the administrative forces, but instead, this regions have a population that shares one or more common traits, be it ethnic, religious, cultural, physical trait, and thus they have something unique in their population that is only common in there and it distinct's that population from the other populations.
North korea withdrew from the NPT the Nuclear nonproliferation treaty
<span>They all depend on each other to function; an impact to one sphere usually affects another.</span>