Introduction to Judicial Systems

Welcome to one of the most important chapters for understanding how power is actually managed in a country! While legislatures write the laws and executives carry them out, judicial systems are the referees. They interpret the laws and decide what happens when someone breaks them—or when the government itself goes too far. In this chapter, we will look at how different countries use their courts to either protect citizens' rights or to strengthen the government's control.

Rule of Law vs. Rule by Law

Before we dive into the specific countries, we need to understand the two main ways a government treats its own legal system. This is a favorite topic for AP exam questions!

1. Rule of Law
In a system with the rule of law, the law is the highest authority. No one is above the law—not the President, not the Prime Minister, and not the richest person in the country. Laws are applied fairly, consistently, and transparently to everyone.
Analogy: Think of a professional basketball game where the referee calls fouls on the star player and the bench player exactly the same way.

2. Rule by Law
In a system with rule by law, the government uses the law as a tool to control the population. The law exists to serve the state's interests, and the people in power often act as if they are above the law themselves.
Analogy: Imagine a game where the referee only blows the whistle on the visiting team because the referee is being paid by the home team's owner.

Key Takeaway: Democratic regimes tend to strive for the rule of law, while authoritarian regimes often use rule by law to maintain power.

Judicial Review

Judicial review is the power of a court to look at a law or a government action and decide if it is constitutional. If a court has this power, it can "strike down" (cancel) laws that violate the country's constitution. This makes the judiciary a very powerful "check" on the other branches of government.

Note: Not every country gives its courts the power of judicial review. Some countries prefer to let the legislature have the final say (this is known as parliamentary sovereignty).

Judicial Systems in the Six Course Countries

The AP syllabus requires you to know how judicial review and appointments work in our six specific countries. Let’s break them down:

1. China (People's Republic of China)

China operates under a system of rule by law. The legal system is not independent; instead, it is a party-controlled system. The Communist Party of China (CPC) uses the courts to ensure its policies are followed and to maintain social order. The judiciary does not have the power of judicial review to challenge the Party's decisions.

2. Iran (Islamic Republic of Iran)

Iran has a theocratic legal system based on Islamic law (Sharia). The judiciary is not independent from the religious leadership.

  • The Supreme Leader appoints the head of the judiciary.
  • The Guardian Council plays a massive role by vetting candidates and ensuring laws align with Islamic principles.
  • The judiciary is often used to suspend or revoke rights for those who oppose the religious government.

3. Mexico (United Mexican States)

Mexico has a Supreme Court with magistrates (judges) who are appointed by the President and confirmed by the Senate. Mexico's judiciary has the power of judicial review. As Mexico has transitioned from a one-party system to a multiparty democracy, the court has become increasingly important in checking the power of the executive branch.

4. Nigeria (Federal Republic of Nigeria)

Nigeria’s judicial system is modeled after the British and American systems. It has a Supreme Court with the power of judicial review.

  • Appointments: Supreme Court judges are appointed by the President on the recommendation of the National Judicial Council and must be confirmed by the Senate.
  • Challenges: While the court has power on paper, it often deals with corruption and pressure from the executive branch.

5. Russia (Russian Federation)

In Russia, the judicial system is used by the government as a tool of political power. While the Russian Constitution technically allows for judicial independence, in practice, the Kremlin (the executive branch) exerts significant control over the courts.

  • The President nominates judges for the Constitutional Court and the Supreme Court.
  • The courts are often used to target political opponents, a practice sometimes called "legalistic" authoritarianism.

6. United Kingdom

The UK is unique because it traditionally followed the principle of parliamentary sovereignty, meaning Parliament had the final say on all laws. However, recent constitutional reforms have changed the landscape.

  • The UK created a Supreme Court in 2009 to move judicial functions out of the House of Lords.
  • While the UK courts can rule that a government action is unlawful, they cannot "strike down" an Act of Parliament in the same way the US Supreme Court can.

Summary of Judicial Appointment Procedures

To help you remember how judges get their jobs, look for patterns:

Mexico & Nigeria: Presidential appointment with legislative (Senate) confirmation. This is typical of presidential systems.
Russia: Presidential nomination, but because the legislature is dominated by one party, the President has almost total control.
Iran: The Supreme Leader (the highest religious and political authority) is the key decision-maker in appointments.
China: The Communist Party oversees all appointments to ensure loyalty to the party's goals.

Quick Review: Common Mistakes to Avoid

Mistake 1: Thinking every country has judicial review. Correction: Only some countries (like Mexico and Nigeria) have strong traditions of judicial review. In others (like China or Iran), the courts are subordinate to the party or religious leaders.

Mistake 2: Confusing "Rule of Law" with "Rule by Law." Correction: Remember the referee analogy! Rule of Law = the law is the boss. Rule by Law = the government uses the law like a hammer to hit its enemies.

Mistake 3: Forgetting the role of Sharia in Iran. Correction: Iran’s judiciary is specifically built to uphold Islamic law, which is a key part of its theocratic regime.

Key Takeaway for the Exam

When you see a question about judicial systems, ask yourself: "Who really controls the judges?" In democratic systems, there are usually rules (like Senate confirmation) to keep the judiciary independent. In authoritarian systems, the executive branch or the dominant party usually controls who becomes a judge and what decisions they make.

For more on how these courts stay independent (or don't!), see Chapter 2.9: Independent Judiciaries.