Self Organization and DoD

Hi Team,
I need your help in figure out the answers for this.

1. What are the benefits of self-organization?
Given the choices below which one to choose?
a) commitment b)creativity c)rule compliance d)predictability e) self-accountability?
2. Definition of DOD is used to:
a. Describe the work that much be done before the sprint can end.
b. increase transparancy
c. Create shared understanding of when work is complete
D.Guide development team selecting sprint backlog items from product backlog
e. Describe purpose, objective and timbox of each scrum even.
3. What is included in sprint backlog?
use cases
tests
tasks
user stories
Any of the above (or other) that are decomposition of product backlog items.
Thanks