In Chapters 12 and 13 we learned about the Sun Tzu's principles on fire attack and espionage

In Chapters 12 and 13 we learned about the Sun Tzu's principles on fire attack and espionage. In this exercise, you are asked to:
Summarize Chapters 12 and 13 of Sun Tzu's Art of War.
-What are the key principles mentioned in these chapters? Use examples to support your thinking.
-The disappearance of Jamal Khashoggi: How did Turkish government piece together the disappearance of the journalist on its soil and thus lead to a successful PR pressure on Saudi Arabia? Comment on the progress of our era in comparison to Sun Tzu's time. 
-Can we safely say that his principles are out of date?
-After re-reading the chapter, do you still have any questions? Write down at least one question at the end of your summary.Quote from the chapters with citations in this format (Giles, 3:15).