Legal systems organize how laws are made, interpreted, and applied. This lesson introduces the two most widely used legal traditions: common law and civil law. Understanding their differences helps explain why courts in different countries handle similar disputes in different ways.
Common law is associated with the United States and many countries whose legal institutions developed under British rule. Historically, it referred to rules developed by judges when written law did not address an issue. Today, legislatures enact most law as statutes, and many statutes codify, alter, or replace earlier common-law rules.
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What is precedent?
A prior judicial decision used to guide the resolution of a later case, especially when the cases raise similar legal issues.
What does stare decisis mean?
The principle that courts generally follow applicable decisions made by the same or a higher court.
What is an adversarial court process?
A process in which opposing parties investigate, present evidence, question witnesses, and argue their positions before a judge or jury.
What is distinctive about a civil-law system?
It relies primarily on comprehensive written legal codes. Prior judgments may be consulted but generally do not bind judges in later cases.
How does an inquisitorial process differ from an adversarial one?
In an inquisitorial process, the judge plays an active role in shaping issues, questioning witnesses, and gathering evidence; in an adversarial process, the parties lead the presentation of their cases.
Quiz questions
Which sources of law both play an important role in modern common-law systems?Answer: Statutes and judicial decisions.
How are earlier judicial decisions generally treated in civil-law systems?Answer: They may be consulted but usually do not bind judges in later cases.
In a typical adversarial trial, who leads the presentation of evidence and arguments?Answer: The opposing parties, with the judge managing proceedings and legal questions.
What makes a legal system hybrid or mixed?Answer: It combines features of more than one legal tradition.
Which approach is useful when assessing the rule of law in a particular system?Answer: Examine how authority is exercised, rules are applied, and decisions can be reviewed.
Based on Introduction to Political Science by Mark Carl Rom, Masaki Hidaka, Rachel Bzostek Walker (OpenStax), licensed CC BY 4.0. Adapted into a summary, flashcards and quizzes.