Stare decisis is a legal principle that requires courts to follow precedent set by higher courts in similar cases.

Codification is the process of organizing and systematizing laws into a single, comprehensive code.

Canon Law is the body of laws and regulations that govern the Catholic Church.

Socialist Law is a legal system that is based on the principle of state ownership and control of the means of production.

Common Law is most commonly found in countries with a common law tradition, such as the United States, the United Kingdom, and Canada.

Civil Law is most commonly found in countries with a civil law tradition, such as France, Germany, and Italy.

Canon Law is most commonly found in countries with a canon law tradition, such as the Vatican City and other Catholic countries.

Socialist Law is most commonly found in countries with a socialist law tradition, such as China, Cuba, and North Korea.

In a common law system, the primary source of law is case law, which is the body of law created by judges in their decisions.

In a civil law system, the primary source of law is statutes, which are laws enacted by the legislature.

In a canon law system, the primary source of law is canon law, which is the body of laws and regulations that govern the Catholic Church.

In a socialist law system, the primary source of law is statutes, which are laws enacted by the legislature.

Common law marriage is a marriage that is recognized by law without a formal ceremony or license.

Civil union is a legal relationship between two people that is similar to marriage, but does not confer all of the same rights and benefits.

Religious marriage is a marriage that is recognized by a religious authority, but not necessarily by the state.