I know that one of the places was Western Asia.Turky too. Ireland also. But I do not know of a 4th. sorry
When the Japanese empire was dismantled at the end of World War Two, Korea fell victim to the Cold War. It was divided into two spheres of influence along the 38th parallel. The Americans controlled south of the line - the Russians installed a communist regime in the north, later ceding influence to China.
A, all the other answers would not make sense in the question.
