due dilligence is the act and being percise or careful in order to fufuil a legal requirement.
* Im kind of confused becuse of how you worded it but I think youre aking about dilligence now? And not due dilligence? *
You can be more dilligent in class by taking your time and putting more effort into your action/work
Answer:
It is trying to ask "What dominant (biggest or strongest) trait is causing more problems."
A dominant trait is the trait that is a big part of who you are and affects your life heavily.
So think of the most dominant trait the main character has, and reflect on how much it affects their life and/or makes it hard for them.
I hope this helps.