It may be called the "hermit kingdom," but an analysis by the Wall Street Journal shows that North Korea is hardly isolated. In fact, it maintains political and economic ties with 164 nations and has embassies in 47 of them. China is, of course, its biggest trade partner by far, with India second. Pyongyang, however, has relationships of various kinds all over the globe, from supplying construction workers in the Mideast to providing military training in Africa. All in all, these ties have helped the North "amass the money and technical know-how to develop nuclear weapons and missiles." The full breakdown is here. Other coverage: