Public Health Policy

What are two key roles of laws in our society?What might be the result if these laws were not in place?Explain the four primary legal sources of laws—constitutions, statutes, administrative regulations, and common laws.Compare and contrast between a public health policy and a law.Do you think that public health policy is dependent upon the laws? Why and how?these are Q&A discussion questions please answer in that format. each question has a 50 word minmumplease use examples and cite sources within the body of work. APA format for reference please