You need to work on being the safe place where she can express all her feelings about all that went wrong in her life. That means listening. It�s hard to do.
This is your most important job as a parent- Validating your child's feelings. Even if they are expressing them about YOU.
Believe me I know that urge and feeling to defend my POV, but I can catch myself and shut the F up and start listening to my kids POV, and understand how they are feeling.
"What is best for my kids is best for me" Amor Fati Link to quotes: https://www.divorcebusting.com/forums/ubbthreads.php?ubb=showflat&Number=2879712