In 550-600 words, discuss the ways in which the Nara and Heian courts established and maintained political authority, in all of its military, economic, social, religious, and cultural aspects.

In 550-600 words, discuss the ways in which the Nara and Heian courts established and maintained political authority, in all of its military, economic, social, religious, and cultural aspects. Conclude by pointing to some of the reasons for the imperial state’s gradual decline.