2015/10/14 1 Other non-Han kingdoms such as the Qiang/Di Barfield, Thomas, The Perilous Frontier,” Ch. 3, “The collapse of Central Order,” pp. 101-10;
Other non-Han kingdoms such as the Qiang/Di
Difficulties and the Collapse of Empires Political, cultural, environmental, and administrative difficulties lead to decline, collapse, or transformation.
Difficulties and the Collapse of Empires
