I have been describing the astonishing success of Buddhism across much of Southern and Eastern Asia in the first millennium AD, and how that movement suffered grave setbacks from the ninth century onward. Although Buddhism continued to be a vital cultural force, its loss of influence in India and, to a lesser extent, China, was a real setback. So why did this happen? I will argue that this resulted from the failure of the great empires that had hitherto either... Read more