The answer is
B.is aware that her tactics are not appropriate.
I don't know why they'd put that in there like that but new and old could just mean their ways. I don't know if you're talking about slaves or something else. Since I don't have the material I don't quite know how to help you.
Charlie Wyatt bequeathed c. his collection of books to the local library
The posterity b. of any nation has the right to blame their predecessors for their suffering.
Bequeath means leave or pass some property from one to another.
Posterity means all future generations.