What are the key success factor contributed to the Mars ERM project?

 
After reading and analyzing chapter 3 from your textbook, ERM at Mars, Incorporated: ERM for Strategy andOperations, please consider the following:

From your analysis, what are the key success factor contributed to the Mars’ ERM project?
Do you view Mars’ ERM project as a success?  Please elaborate on your answer?
What improvements would you make? 

Note – Attached the Text Book