Blue laws were strict regulations that prohibited certain activities, such as working or drinking alcohol, on Sundays.

He studied criminal law in college.

The poor law was enacted to provide relief for the impoverished.

Civil law is a branch of law that deals with private rights and remedies, as opposed to criminal law.

Common law is a legal system based on custom and court decisions.

In common-law marriage, couples live together and have a relationship similar to a legal marriage.

Commercial law governs the legal rules and regulations that apply to businesses and commercial transactions.

The judge made a ruling in the law court.

He is a law-abiding citizen.