
The Judicial Branch is one of the three branches of the US federal government, alongside the legislative and executive branches. Article III of the US Constitution establishes the judicial branch, which includes the Supreme Court and inferior courts. The Supreme Court is the highest court in the land and has the power of judicial review, which allows it to declare acts of Congress unconstitutional if they violate the Constitution. This power ensures that each branch of government recognises the limits of its power and protects civil rights and liberties. The judicial branch operates within a system of checks and balances, where each branch has its own roles and areas of authority, ensuring that no single branch accumulates excessive power.
| Characteristics | Values |
|---|---|
| Separation of powers | The judicial branch is one of the three separate and distinct branches of the federal government, with each branch having its own roles and areas of authority. |
| Checks and balances | The judicial branch operates within a constitutional system of checks and balances, requiring cooperation among the branches while ensuring that no single branch accumulates excessive power. |
| Judicial review | The Supreme Court has the power of judicial review, or the ability to declare acts of Congress or the Executive branch unconstitutional if they violate the Constitution. |
| Supreme law of the land | The Constitution is established as the supreme law of the land, with laws repugnant to it being void. |
| Interpretation of laws | The judiciary interprets laws passed by Congress to ensure their constitutionality and applicability in legal disputes. |
| Collaborative efforts | The judiciary, executive, and legislative branches work together to uphold their respective roles in governing the nation and protecting the rights of citizens. |
| Constitutional oversight | The judicial branch ensures that each branch of government recognizes the limits of its power and protects civil rights and liberties. |
| Independence of the judiciary | Restrictions are in place, such as appointing judges for life and protecting their salaries, to maintain the independence of the judiciary from political branches. |
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What You'll Learn

The Supreme Court
The number of seats on the Supreme Court has varied over time, ranging from five to ten justices. The current number of nine justices was fixed shortly after the Civil War. The Court's structure and jurisdiction were established by the Judiciary Act of 1789, which also created the position of Attorney General. While the Constitution establishes the Supreme Court, it permits Congress to determine its organisation and create inferior courts as needed.
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Judicial review
Article III of the U.S. Constitution establishes the judicial branch as one of the three separate and distinct branches of the federal government. The other two branches are the legislative and executive branches. The three branches operate within a constitutional system of "checks and balances", which ensures that no single branch of government accumulates excessive power. This system safeguards the principles of democracy and the rule of law in the United States.
The judicial branch, through the process of judicial review, has the authority to decide the constitutionality of federal laws and resolve other cases involving federal laws. Judicial review is the power of the Court to declare a Legislative or Executive act in violation of the Constitution. It is not explicitly mentioned in the Constitution but was established in the landmark case of Marbury v. Madison in 1803. In this case, the Supreme Court asserted its authority to declare acts of Congress unconstitutional if they violate the principles and provisions of the Constitution.
The Supreme Court has appellate jurisdiction, which means that it can hear cases on appeal that involve a point of constitutional and/or federal law. The Court has the discretion to decide whether or not to hear a case, and it agrees to review only about 100-150 cases out of the more than 7,000 cases it is asked to review each year. The lower federal court system was established by Congress through the Judiciary Act of 1789, which also created the position of Attorney General.
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Separation of powers
The US Constitution establishes the judicial branch as one of the three separate and distinct branches of the federal government, alongside the legislative and executive branches. This system of checks and balances ensures that no single branch of government accumulates excessive power and safeguards the principles of democracy and the rule of law in the US.
The separation of powers is a fundamental way for the US government to balance power so that one part of the government does not overpower another. Each branch of government has its own roles and areas of authority. For example, the judicial branch has the authority to decide the constitutionality of federal laws and resolve other cases involving federal laws. The legislative branch, on the other hand, commands the purse and prescribes the rules by which the duties and rights of every citizen are regulated. While the executive branch dispenses honours and holds the sword of the community.
The Supreme Court, established by Article III of the Constitution, is the highest court in the land and is the court of last resort for those seeking justice. The Judiciary Act of 1789 was a significant milestone in the history of the US judicial system as it established the structure and jurisdiction of the federal judiciary. The Supreme Court's role was initially limited, but its influence grew significantly with landmark cases like Marbury v. Madison in 1803, which established the principle of judicial review.
The Supreme Court has the power of judicial review, which means it can declare a legislative or executive act in violation of the Constitution. This power is not explicitly mentioned in the text of the Constitution but has been established through case law. The Court also interprets laws passed by Congress to ensure their constitutionality and applicability in legal disputes.
The Supreme Court consists of one Chief Justice and eight Associate Justices, who are appointed by the President and confirmed by the Senate. They typically hold office for life, and their salaries cannot be decreased during their term of office. These restrictions are meant to protect the independence of the judiciary from the political branches of government.
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Checks and balances
The US Constitution establishes the judicial branch as one of the three separate and distinct branches of the federal government, alongside the legislative and executive branches. This system of checks and balances ensures that no single branch of government accumulates excessive power.
The judicial branch has the authority to decide the constitutionality of federal laws and resolve other cases involving federal laws. Judges interpret laws passed by Congress, ensuring their constitutionality and applicability in legal disputes. The Supreme Court, in particular, plays a crucial role in this system of checks and balances. It is the highest court in the land and serves as the court of last resort for those seeking justice.
The Supreme Court's power of judicial review is essential for maintaining the balance of power among the branches of government. Judicial review refers to the Court's ability to declare acts of Congress or the Executive Branch unconstitutional if they violate the principles and provisions of the Constitution. This power was established in the landmark case of Marbury v. Madison in 1803. The Court's interpretation of the law ensures that each branch of government recognises the limits of its own power.
The Supreme Court also protects civil rights and liberties by striking down laws that are deemed unconstitutional. For example, the Court can set limits on democratic government by preventing popular majorities from passing laws that harm or take advantage of unpopular minorities. In doing so, the Court ensures that fundamental values such as freedom of speech, freedom of religion, and due process of law are upheld.
Additionally, the Supreme Court has appellate jurisdiction, which means it can hear cases on appeal that involve points of constitutional or federal law. However, the Court has the discretion to decide whether or not to hear these cases. While the Constitution establishes the Supreme Court, it permits Congress to create inferior courts as needed. Congress first exercised this power through the Judiciary Act of 1789, which established the structure and jurisdiction of the federal judiciary.
The checks and balances system is further strengthened by the separation of powers, where each branch of government has its own distinct roles and areas of authority. This prevents one branch from overpowering another and promotes collaboration and constitutional oversight among the branches.
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Federal laws
Article III of the U.S. Constitution establishes the judicial branch as one of the three separate and distinct branches of the federal government. These three branches—the legislative, executive, and judicial—operate within a constitutional system of "checks and balances". This means that while each branch is formally separate from the other two, the Constitution often requires cooperation among the branches.
The Supreme Court plays a crucial role in the constitutional system of government. As the highest court in the land, it is the court of last resort for those seeking justice. Its power of judicial review ensures that each branch of government recognises the limits of its power. The Court also protects civil rights and liberties by striking down laws that violate the Constitution. Additionally, it sets limits on democratic government by preventing popular majorities from passing laws that harm or take undue advantage of unpopular minorities.
The Supreme Court has appellate jurisdiction over almost any case involving a point of constitutional and/or federal law. Some examples include cases where the United States is a party, cases involving treaties, and admiralty cases. The Court has the discretion to decide whether to hear a case on appeal, and it agrees to review a small fraction of the thousands of cases it is asked to consider each year.
The structure of the federal court system includes the Supreme Court at the top, followed by 13 appellate courts or U.S. courts of appeals, and 94 district or trial courts. Congress established this system through various acts, including the Judiciary Act of 1789, which created the Supreme Court with six justices and outlined its jurisdiction. Congress has altered the number of seats on the Supreme Court over time, and today, there is one Chief Justice and eight Associate Justices. Federal judges, including Supreme Court justices, are appointed by the President and confirmed by the Senate. They typically hold office for life, and their salaries cannot be decreased during their term to protect the independence of the judiciary.
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Frequently asked questions
The Judicial Branch is one of the three branches of the US federal government, alongside the legislative and executive branches. It was established by Article III of the US Constitution, which also allows Congress to create inferior courts as needed.
The Judicial Branch interprets laws passed by Congress, ensuring their constitutionality and applicability in legal disputes. It also has the power of judicial review, which means it can declare a Legislative or Executive act in violation of the Constitution.
The Supreme Court is the highest court in the US and acts as the court of last resort for those seeking justice. It has the power of judicial review and plays a key role in ensuring that each branch of government recognises the limits of its power. It also protects civil rights and liberties by striking down laws that violate the Constitution.










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