Establish the nation’s financial credibility
They are fearful about "runaway" conventions making unwanted changes.
The process of constitution change is a political process and therefore there is always a risk of run away conventions coming up with unwanted and sometimes undesirable changes.
The indigenous Aborigines have recently received an apology from the "Australian" government, since years of colonization led to great human abuses against the native people.
I think A, but I am not really sure.