400 word essay | Criminal homework help

NO PLAIGIRISM, BLUEBOOK FORMAT , AT LEAST ONE PEER REVIEWED SCHOLARLY REFERENCE 

1. Rank the three sources of law, from highest to lowest, and explain why you ranked them in this way.
2. Why is it important to understand the sources of law in the study of criminal law?
3. What is the purpose of statutory law and the purpose of case law?
4. Explain why the author of the ebook states that case law is a “powerful source of law”. In what way is it powerful? Please give a specific example of the use of case law in the criminal law arena.