
The US Constitution divides the government into three branches: legislative, executive, and judicial. The judicial branch, which includes the Supreme Court, is responsible for interpreting the law. The Supreme Court decides if a law aligns with the Constitution and can declare a Legislative or Executive act in violation of the Constitution. The Senate, which is part of the legislative branch, has the power to confirm Supreme Court justices, who are appointed by the President. This check ensures that the Supreme Court remains independent and impartial, and that the legislative branch maintains a balance of power with the judicial branch.
| Characteristics | Values |
|---|---|
| Number of seats | Altered over the years by Congress from a low of five to a high of 10; fixed at nine after the Civil War |
| Appointment of justices | Appointed by the President and confirmed by the Senate |
| Jurisdiction | Original jurisdiction over certain cases, e.g. suits between two or more states; appellate jurisdiction over almost any other case involving a point of constitutional or federal law |
| Power | Judicial review—the ability to declare a Legislative or Executive act in violation of the Constitution and to strike down state laws found to be in violation of the Constitution |
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What You'll Learn
- The Senate confirms Supreme Court justices
- The Senate can alter the number of seats on the Supreme Court
- The Supreme Court interprets laws passed by Congress
- The Supreme Court decides if a law fits the meaning of the Constitution
- The Supreme Court can strike down state laws that violate the Constitution

The Senate confirms Supreme Court justices
The US Constitution divides the government into three branches: legislative, executive, and judicial. Each branch has specific powers and is subject to checks and balances by the others to prevent any one branch from accumulating too much power. The legislative branch makes laws, but the judicial branch can declare those laws unconstitutional.
The Senate plays a crucial role in this system of checks and balances by confirming Supreme Court justices. Like all federal judges, Supreme Court justices are appointed by the President and confirmed by the Senate. This power of confirmation gives the Senate significant influence over the composition and direction of the Supreme Court. Senators consider the qualifications, ideology, and judicial philosophy of nominees to ensure they are suitable for a lifetime appointment to the nation's highest court.
The process of confirming Supreme Court justices typically involves thorough scrutiny by the Senate Judiciary Committee, which holds hearings and evaluates the nominee's record. The committee then votes on whether to advance the nomination to the full Senate. The Senate, through its confirmation process, can ensure that the Supreme Court maintains a balance that reflects the values and principles of the American people.
The Supreme Court, as the highest court in the land, is the court of last resort for those seeking justice. It plays a crucial role in interpreting the Constitution and ensuring that each branch of government recognizes its limits. The Court has original jurisdiction over specific cases, such as suits between states or cases involving ambassadors, and appellate jurisdiction over a wide range of cases involving constitutional or federal law.
Additionally, the Supreme Court has the power of judicial review, established in the case of Marbury v. Madison (1803). This power allows the Court to declare a legislative or executive act in violation of the Constitution. The Court's authority extends to striking down state laws found to be unconstitutional and interpreting the Bill of Rights, ensuring that constitutional rights are protected.
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The Senate can alter the number of seats on the Supreme Court
The number of seats on the Supreme Court has changed several times since its inception. The Judiciary Act of 1789, which established the Supreme Court, initially set the number of justices at six. Over the years, the number of seats has fluctuated between five and ten. Since 1869, there have been nine justices on the Supreme Court: one Chief Justice and eight Associate Justices.
While the Constitution does not specify a fixed number of justices, it grants Congress the authority to determine the organization of the Supreme Court. Congress has exercised this power by passing legislation to alter the size of the Court. For example, in 1866, Congress passed an act to reduce the number of justices to seven, only to restore the number to nine in 1869.
The President also plays a role in this process by signing the legislation into law and nominating individuals to fill the seats on the Supreme Court. These nominations are then subject to confirmation by the Senate.
In recent times, there have been discussions and proposals to limit the number of seats on the Supreme Court permanently through a constitutional amendment. However, such an amendment would require a two-thirds majority in both the House and the Senate, followed by ratification by three-quarters of the states, making it a challenging process.
It is important to note that the ability to alter the number of seats on the Supreme Court is a significant power that can impact the Court's composition and, consequently, its decisions. As a result, any changes to the Court's size are often carefully considered and subject to political debate.
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The Supreme Court interprets laws passed by Congress
The US Constitution establishes a system of checks and balances, dividing the government into three branches: legislative, executive, and judicial. The legislative branch, which includes Congress, is responsible for making laws. However, the judicial branch, led by the Supreme Court, has the power to interpret these laws and ensure they align with the Constitution. This dynamic creates a balance between the two branches, preventing any one branch from accumulating too much power.
The Supreme Court's authority to interpret laws passed by Congress stems from its power of judicial review. This power, established in the landmark case of Marbury v. Madison (1803), allows the Court to declare a Legislative or Executive act unconstitutional. In this case, the Supreme Court asserted that an Act of Congress contrary to the Constitution could not stand, establishing the Constitution as the supreme law of the land.
The Supreme Court's interpretation of laws considers their constitutionality and applicability. It decides if a law aligns with the original intent and principles of the Constitution, acting as the final arbiter in special situations where the application of a law is ambiguous or disputed. This power extends to reviewing and striking down state laws that violate the Constitution, ensuring that the rights protected by the Constitution are upheld.
Additionally, the Supreme Court has original jurisdiction in specific cases, such as suits between states or cases involving ambassadors. It also has appellate jurisdiction, enabling it to hear appeals in a wide range of cases involving constitutional or federal law. The Certiorari Act of 1925 further strengthened the Court's discretion in choosing which cases to hear within its appellate jurisdiction.
While the Supreme Court interprets and reviews laws passed by Congress, it is important to note that Congress also plays a role in shaping the Supreme Court. As outlined in Article III, Section I of the Constitution, Congress has the power to determine the organization of the Supreme Court. Congress first exercised this power through the Judiciary Act of 1789, establishing a Supreme Court with six justices and creating the lower federal court system. Over time, Acts of Congress have adjusted the number of seats on the Supreme Court, and since the post-Civil War era, the Court has consisted of nine justices, including one Chief Justice and eight Associate Justices.
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The Supreme Court decides if a law fits the meaning of the Constitution
The US Constitution divides the government into three branches: the legislative, the executive, and the judicial. This separation of powers ensures that no single branch holds too much power, creating a system of checks and balances. The legislative branch, or Congress, makes laws, but the Supreme Court interprets them, deciding if a law aligns with the Constitution.
The Supreme Court is the highest court in the US, with the power of judicial review. This means that it can declare a Legislative or Executive act in violation of the Constitution. This power was established in the case of Marbury v. Madison (1803), where the Court had to decide whether an Act of Congress or the Constitution was the supreme law of the land. The Court held that an Act of Congress contrary to the Constitution could not stand, as the Constitution is established as the supreme law of the land.
The Supreme Court has original jurisdiction over certain cases, such as suits between states or cases involving ambassadors. It also has appellate jurisdiction, allowing it to hear cases on appeal that involve constitutional or federal law. The Court's role in interpreting the Constitution is crucial, as it ensures that each branch of government recognizes its own limits and respects the freedoms spelled out in the Bill of Rights.
The Supreme Court's power to strike down laws that violate the Constitution extends to both federal laws and state laws. Before the Fourteenth Amendment in 1869, the Bill of Rights only applied to the federal government. However, after its passage, the Supreme Court ruled that most of its provisions also applied to the states. This expansion of the Court's jurisdiction further solidified its role in safeguarding constitutional rights and interpreting the Constitution's meaning.
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The Supreme Court can strike down state laws that violate the Constitution
The United States Constitution establishes a system of checks and balances to prevent any one branch of government from having too much power. The legislative branch makes laws, but the judicial branch can declare those laws unconstitutional. The Supreme Court, established by Article III of the Constitution, is the highest court in the land and has the power of judicial review, or the ability to declare a Legislative or Executive act in violation of the Constitution.
The Supreme Court's power of judicial review was established in the case of Marbury v. Madison (1803). In this case, the Court had to decide whether an Act of Congress or the Constitution was the supreme law of the land. The Court held that an Act of Congress that is contrary to the Constitution could not stand. This power is not explicitly mentioned in the Constitution but has been established through precedent.
In subsequent cases, the Supreme Court has used its power of judicial review to strike down state laws found to be in violation of the Constitution. For example, in Fletcher v. Peck (1810), the Court held that a Georgia statute annulling the conveyance of public land was unconstitutional. Similarly, in Oklahoma Gin Co. v. Oklahoma (1920), the Court found that an Oklahoma law limiting the rates of a laundry business violated due process.
The Supreme Court plays a crucial role in ensuring that each branch of government recognizes the limits of its power. It also protects civil rights and liberties by striking down laws that violate the Constitution. The Court has the final say on when a Constitutional right is violated and acts as the court of last resort for those seeking justice.
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Frequently asked questions
The Senate has the power to confirm Supreme Court justices, who are appointed by the President. The Senate also has the power to alter the number of seats on the Supreme Court.
The Supreme Court is the highest court in the US and acts as the court of last resort for those seeking justice. It interprets the Constitution and decides if a law fits its meaning. 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 has original jurisdiction over certain cases, such as suits between two or more states, and cases involving ambassadors and other public ministers. It has appellate jurisdiction over almost any other case that involves a point of constitutional and/or federal law.
Congress and the Courts balance each other. Congress makes laws, but the Courts interpret them and decide if they are constitutional.














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