Statutes rule! Regulations are just rules for carrying out the law the legislature made by statute. If the regulation is inconsistent with the statute (and sometimes they are) they can be challenged...
federal law must be obeyed because federal law fas jurisdiction over state laws. However, if a law in a state such as gay marriage is not especifically numbered in the constitution then state law...
Common law is law that originates from the early English system which is mostly based on legal precedents which means that, the court relies on previous decisions takes for similar cases. On the...