What are the sources of the rules of international law? Are those rules legally binding? Do powerful states like the…

What are the sources of the rules of international law? Are those rules legally binding? Do powerful states like the United States comply with the rules, or ignore them? Why would states bother to comply with the rules when there are no central enforcement institutions? Is international law really “law” at all? Provide some specific examples of compliance with the rules, and explain the reasons for compliance. What are some of the potential consequences for non-compliance?