How does the plot of Atsumori illustrate Buddhist doctrine?

Nō is a dramatic form (most highly) developed among, and performed for, the Shogunate aristocracy. With its emphasis on Zen Buddhist principles, how does this form serve the ideological interests of the Shogunate aristocracy?
2. How does the plot of Atsumori illustrate Buddhist doctrine?

3. Why did the waki character in the play, Renshō/Kumagae no Jirō Naozane, change his name, and how does this relate to the play’s theme(s)?

4. Given the way the play is laid out on the page, the information given in the footnotes, and the nature of Japanese Nō as you have now studied it, and film/video footage of Nō performances that you may be able to find and have a look at, what are the most notable differences between Nō and the sorts of theatre/drama that you’re used to?

On the second page i want an speech outline of the play. I have attached an example thats for the outline guidance as it needs to be. If any questions let me know.