What could be the purpose statement of a research title: veterans with moral hurt?

What is the reasoning for writing the purpose statement AS IS?

Which research approach/method (qualitative or quantitative) would be most appropriate and aligned with such a research purpose statement?

What is the reason for selecting this method?

What is the justification for choosing that approach/method?

Would the purpose statement written for the research title, Veterans with Moral Hurt, answer your over-arching research question?

Can you provide the references/sources that were used to obtain the responses?

Note: There is no existing research yet. As stated above (Assuming there is a research titled "Veterans with moral hurt"), the requirements are to be provided on an imaginary topic of "veterans with moral hurt".