
Federalism is a basic concept embodied in the US Constitution, referring to the division and sharing of power between the national and state governments. The constitutional provision that most directly establishes a balance of power between these two entities is the Supremacy Clause, found in Article VI of the US Constitution. This clause states that the Constitution, federal laws, and treaties are the supreme law of the land, ensuring that conflicts between state and federal laws are resolved in favor of the federal government. The Tenth Amendment also plays a significant role in establishing this balance of power by reserving powers not delegated to the federal government by the Constitution for the states or the people.
| Characteristics | Values |
|---|---|
| Division and sharing of power between national and state governments | Federalism |
| Unified national government with limited powers | Federalism |
| Distinct sphere of autonomy for state governments | Federalism |
| State governments' authority to exercise general police power | Federalism |
| Supremacy Clause in Article VI establishes federal law as superior | Federalism |
| Tenth Amendment reserves powers not delegated to the federal government for states or the people | Federalism |
| Commerce Clause grants federal government power to regulate commerce among states | Federalism |
| Fourteenth Amendment prevents states from violating citizens' privileges and immunities | Federalism |
| Fourteenth Amendment ensures due process and equal protection for citizens | Federalism |
| Judicial interpretation and enforcement of federalism principles | Federalism |
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What You'll Learn

The Supremacy Clause
Federalism refers to the division and sharing of power between national and state governments. The Supremacy Clause, which is considered a cornerstone of the United States' federal political structure, is a constitutional provision that identifies the supremacy of federal law over state law.
The Supreme Court has applied the Supremacy Clause in ways that reinforce the sharp division of federal and state power. In early-20th-century decisions, the Court developed the doctrine of field preemption, which holds that some federal legislation implicitly prevents states from adopting laws on the same subject. However, during the New Deal era, the Court narrowed the circumstances in which federal law displaced state law to preserve state regulatory authority.
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Tenth Amendment
The Tenth Amendment to the United States Constitution, ratified on December 15, 1791, is a key reflection of federalism. It clarifies the balance of power between the federal government and the states, reserving powers for the states that are not explicitly granted to the federal government.
The text of the amendment states: "The powers not delegated to the United States by the Constitution, nor prohibited by it to the States, are reserved to the States respectively, or to the people." This amendment was proposed by Thomas Burke, a strong advocate for states' rights, to ensure that the division of powers between state and federal governments was unambiguous.
The Tenth Amendment has been invoked in several Supreme Court decisions to determine whether the federal government has overstepped its authority. For example, in United States v. Alfonso D. Lopez, Jr. (1995), the Court ruled that federal laws creating "gun-free zones" on school campuses were unconstitutional, as the Constitution did not authorise them. Similarly, in New York v. United States (1992), the Court invalidated part of the Low-Level Radioactive Waste Policy Amendments Act of 1985, which would have made states liable for damages related to waste within their borders.
The amendment has been described as a truism by the Supreme Court, indicating that it merely states what was already implied by the Constitution. However, it remains an important tool for states and local governments to assert their authority in areas not explicitly delegated to the federal government, such as labour and environmental controls.
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Commerce Clause
The Commerce Clause is a provision of the United States Constitution (Article I, Section 8, Clause 3) that grants the federal government the power to regulate commerce. This includes commerce with foreign nations, among the states, and with Native American tribes. The Commerce Clause emerged as a response to the absence of any federal commerce power under the Articles of Confederation.
The interpretation of the Commerce Clause has been a subject of debate and has evolved over time. Initially, it was rarely invoked by Congress, with scholars arguing that the broad interpretation of "commerce" was not intended by the Founding Fathers. However, in Gibbons v. Ogden in 1824, the Supreme Court held that intrastate activity could be regulated under the Commerce Clause if it was part of a larger interstate commercial scheme. This interpretation expanded the federal government's power over interstate commerce and, by extension, the national economy.
The Commerce Clause has been used to address discriminatory state legislation and protect against protectionist state policies that favour in-state citizens or businesses over those from other states. It also provides the federal government with critical powers over navigable waters, including the regulation of navigation and control of waterways for commerce.
In recent years, the Supreme Court has attempted to curtail Congress's broad legislative mandate under the Commerce Clause, returning to a more conservative interpretation. For example, in United States v. Lopez (1995), the Court held that Congress only has the power to regulate the channels of commerce, the instrumentalities of commerce, and actions that substantially affect interstate commerce.
The Commerce Clause directly affects the balance of power between the federal government and the states, as well as between the elected branches of the federal government and the judiciary. It is a key component of federalism, which refers to the division and sharing of power between national and state governments.
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The judiciary and federalism
Federalism is a concept embodied in the US Constitution, referring to the division and sharing of power between national and state governments. 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.
The judiciary plays a crucial role in federalism by interpreting and applying the law in a way that respects the division of powers between the federal and state governments. The US Supreme Court, established by Article III of the Constitution, is the highest court in the nation. It has the authority to decide the constitutionality of federal laws and resolve cases involving federal laws, including those that concern the balance of power between the federal and state governments.
The federal court system consists of the Supreme Court, 13 appellate courts or US courts of appeals, and 94 district or trial courts. The Judiciary Act of 1789 established the Supreme Court and provided for two sets of federal trial courts: the 13 district courts and the three circuit courts. Today, there are 94 district courts and 13 appellate courts that sit below the Supreme Court. While Congress has the authority to create additional federal courts and invest them with federal judicial power, many cases are still resolved by state courts. This is because the federal judicial power granted in Article III only encompasses a small proportion of all legal disputes, and state courts are needed to resolve those disputes that fall outside of federal jurisdiction.
The relationship between federal and state judiciaries is complex and has been the subject of debate among judges and scholars. Alexander Hamilton, in Federalist No. 82, observed that "the nation and state [court] systems are to be regarded as 'one whole,'". This highlights the importance of cooperation between the federal and state judiciaries for the effective administration of justice. However, judges and scholars disagree on how basic principles of federalism should be realized. A key point of controversy is whether the judiciary should actively enforce the interests of the states against the federal government or leave the resolution of such questions to the political process.
In conclusion, the judiciary plays a vital role in federalism by interpreting and applying the law within the context of the division of powers between the federal and state governments. The US Supreme Court and the federal court system provide a framework for resolving legal disputes that involve federal laws and the balance of power between the national and state governments. At the same time, the interplay between federal and state judiciaries, as well as the role of the judiciary in enforcing federalism, remains a subject of ongoing discussion and evolution.
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State sovereignty
Federalism refers to the division and sharing of power between national and state governments. The US Constitution contains several provisions that reflect federalism and protect state sovereignty. One notable example is the Tenth Amendment, which states that any powers not specifically delegated to the federal government are reserved for the states or the people. This amendment has been interpreted by the Supreme Court as a safeguard against federal overreach and a protection of state sovereignty.
Additionally, the concept of state sovereignty is reflected in the way that powers are allocated between the federal and state governments. Certain powers are exclusively reserved for the states, such as creating school systems, overseeing state courts, managing public safety, and regulating business and trade within their borders. These are known as "reserved powers." Concurrent powers, on the other hand, are those that both the federal and state governments share, including taxation, road construction, and the establishment of lower courts.
The relationship between federal and state powers is complex and has been the subject of debate and judicial interpretation. In some cases, the Supreme Court has upheld the expansion of federal power over states' rights, such as in the case of Gonzales v. Raich, where the Court upheld Congress's regulation of intrastate marijuana cultivation and possession under the Commerce Clause. However, there have also been instances where the Court has protected state sovereignty by striking down federal laws that exceed the enumerated powers of the federal government.
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Frequently asked questions
The Supremacy Clause, found in Article VI of the U.S. Constitution, is the constitutional provision that most directly establishes a balance of power between the national and state governments. This clause ensures that conflicts between state and federal laws are resolved in favor of the federal government.
The Tenth Amendment is another important provision that helps establish a balance of power. It states that any powers not specifically delegated to the federal government by the Constitution are reserved for the states or the people, thus allowing states to make decisions in areas not explicitly granted to the federal government.
Yes, the Commerce Clause is another constitutional provision that impacts the balance of power. It grants Congress the authority to regulate commerce among the states, giving them a significant degree of influence over economic matters. Additionally, the Fourteenth Amendment placed new federal constraints on state governments, with Section 1 forbidding states from violating their citizens' fundamental rights and Section 5 empowering Congress to enforce those constraints.

























