What does this question asking? i dont really understand as english is not my first language..help!!?

Question

one of the major problems of constitutional interpretation is determining whether a law is one 'with respect to' a subject of power granted to the commonwealth....

this question applies to the studies of the australian cconstitutional law

Answer 1

it is asking (stating) that one of the big problems with interpreting a constitution is figuring out if it has to do with how much power is given to the commonwealth (for the good of the public)