Instability and the Decline of Koryo - a Self-Serving Aristocratic Order. The decline of Koryo is discussed, mainly from the point of view of a too hierarchical AND aristocratic order that did not respond well to external threat or serve the needs of other groups in the society. 6 pgs. Bibliography lists 3 sources. Pages: 6 Bibliography: 3 source(s) listed Filename: 3994 Instability Decline Koryo.doc Price: 53.70