Hi there, I am unsure how to approach this question and would really appreciate your guidance.

Being concerned with the developing weight rates in Australia, the Commonwealth Government and few countries met for a conference regarding obesity. At the conclusion of the conference these countries (including Australia) signed the Health Treaty, which included the following provision: Article 11: Improving Public Health of Citizens State Parties will take the necessary measures to promote health and tness among their citizens so as to reduce obesity rates and the burden on national health services caused by illnesses associated with physical inactivity. The Commonwealth Government, then, introduced the Healthier Bill 2020 (Cth) into Parliament. The Bill contains few measures, including the establishment of the Australian Health Commission. Section 4 of the Healthier Bill provides that the object of the Australian Health Commission is ' . .. the promotion of health and tness to all Australians so as to reduce obesity rates and the burden on health services caused by illnesses associated with physical inactivity'. The Healthier Australia Bill further provides that the AHC: a) May make nancial grants to Australian schools for the purpose of funding specic sports programs for students. (A ne will be given if the grant is used for another reason and not for funding sports). b) Introduce a healthy school canteen strategy and prohibit selling \"unhealthy\" foods. 0) Raises the legal age for alcohol consumption from 18 years of age to 21 years of ag The Western Australian government objects to the Healthier Bill 2020 (gm as it considers public health to be a State responsibility. Advise the Western Australian government regarding the possible grounds for a constitutional challenge to the Healthier Bill 2020 (gm) and whether a challenge would be likely to succeed