
The Tenth Amendment to the U.S. Constitution, ratified on December 15, 1791, reserves powers for state governments and maintains a balance of power between them and the federal government. It grants state governments all powers not specifically delegated to the federal government by the Constitution, ensuring that any power not explicitly granted to the federal government is reserved for the states. This amendment, part of the Bill of Rights, was designed to limit government power and protect individual liberties, including freedom of speech, religion, and the right to bear arms. The Tenth Amendment has been interpreted as a clarification of the federal government's limited scope, with Supreme Court decisions invoking it to determine whether the federal government has overstepped its authority.
| Characteristics | Values |
|---|---|
| Date proposed | September 25, 1789 |
| Date ratified | December 15, 1791 |
| Part of | The Bill of Rights |
| Powers | Reserved for the states |
| Powers | Reserved for the people |
| Powers | Delegated by the Constitution to the federal government |
| Powers | Prohibited by the Constitution to the states |
| Powers | Not specifically granted to the federal government |
| Powers | Not withheld from the states |
| Powers | Not granted to the federal government are delegated to state governments |
| Powers | Not granted to the federal government are delegated to the people at large |
| Powers | To tax their people and property |
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What You'll Learn

The Tenth Amendment
The Supreme Court has invoked the Tenth Amendment in several decisions, particularly when determining whether the federal government has overstepped its constitutional bounds. For example, in United States v. Alfonso D. Lopez, Jr. (1995), the ruling limited the federal government's authority to enact policies through the Commerce Clause, as the establishment of "gun-free zones" on public school campuses was not explicitly authorised by the Constitution.
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Reserved powers
The Tenth Amendment to the US Constitution, ratified on December 15, 1791, reserves certain powers for the states. The text of the amendment is as follows:
> "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."
The Tenth Amendment has been interpreted by the Supreme Court in several cases 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 establishing "gun-free zones" on public school campuses were unconstitutional, as the Constitution did not authorise them.
The Tenth Amendment does not refer to powers "explicitly" or "expressly" granted to the federal government, and the federal government possesses many implied powers that are not reserved for the states. However, the amendment does enumerate all the powers of the federal government, and any powers not listed are reserved for the states. This includes the power to regulate public welfare and morality, allowing states the freedom to experiment with different ideas and programs.
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State police powers
The Tenth Amendment to the US Constitution, ratified on December 15, 1791, clarifies the division of police powers in the country. It states that:
> 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.
The Tenth Amendment is interpreted as a limitation on the federal government, ensuring it does not overreach its powers and infringe on civil liberties. It affirms that any powers not specifically granted to the federal government are reserved for the states or the people. This amendment is often invoked in Supreme Court decisions to determine if the federal government has overstepped its authority.
Police powers refer to the fundamental ability of a government to enact and enforce laws for the public good. This includes regulating matters within its core police power, such as gambling. While the term "police power" does not directly relate to law enforcement officers, it encompasses the broad regulatory power of the government. The legislative and executive branches of state governments exercise police powers, with the authority to compel obedience to laws through various measures, as long as they do not infringe on constitutional rights or state constitutions and are not arbitrarily oppressive.
The Supreme Court has upheld state laws as valid exercises of police power, such as in the case of a New Orleans ordinance requiring slaughterhouses to relocate for public health reasons. State police powers also extend to land-use planning, with the authority typically delegated to local governments, counties, and municipalities. However, controversies can arise when state police powers conflict with individual rights and freedoms.
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Supreme Court interpretation
The Tenth Amendment to the U.S. Constitution, ratified on December 15, 1791, specifies the power dynamic between the federal and state governments. It states that any powers not specifically given to the federal government, nor withheld from the states, are reserved for the states or the people. This amendment was intended to confirm that the federal government was limited to the powers outlined in the Constitution.
The Supreme Court has played a significant role in interpreting and enforcing the Tenth Amendment. The Court has the power of judicial review, allowing it to strike down laws that violate the Constitution and ensure that each branch of government recognizes its limits. The Supreme Court has ruled on several occasions that most provisions of the Constitution are applicable to the states, giving it the final say over when a right is protected by the Constitution and when it is violated.
One notable interpretation of the Tenth Amendment by the Supreme Court is the 1995 case of United States v. Alfonso D. Lopez, Jr. In this case, the Court determined that federal laws establishing "gun-free zones" on public school campuses were unconstitutional, as the Constitution did not authorize them. This ruling limited the federal government's authority to enact policies through the Commerce Clause.
Another example is the 1958 case of Cooper v. Aaron, where the Supreme Court ruled that Arkansas could not delay the desegregation of schools as it violated the previous ruling in Brown v. Board of Education of Topeka, which determined that racial segregation in public schools was unconstitutional.
The Tenth Amendment safeguards the principles of federalism, which refers to the division of power between the federal and state governments. It protects states' rights by limiting the federal government's ability to regulate or command state governments to adopt policies or enforce federal laws. This allows states the freedom to experiment with different ideas and programs, earning them the moniker of "laboratories of democracy".
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Federalism
The Tenth Amendment to the United States Constitution, which states that "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," is often cited as the basis for state freedoms and control, or federalism. This system, known as federalism, is a key characteristic of the US government's structure, and it represents the division of power between the national government and the individual state governments.
This amendment ensures that states retain a level of autonomy and self-governance. While the federal government holds supreme authority in certain specified areas, the states are free to make laws and regulate matters that are not specifically delegated to the federal government. This includes a wide range of issues, such as regulating intrastate commerce, managing local law enforcement, establishing educational systems, and governing areas like family law and property rights.
The system of federalism creates a balance of power and a system of checks and balances that prevents the federal government from becoming too powerful and infringing on the rights of the states and the people. It also allows for innovation and diversity in governance, as states can serve as laboratories of democracy, experimenting with different policies and approaches to governance that can then be adopted or rejected by other states.
The specific powers and freedoms of the states have been further defined and refined over time through court cases and legal challenges, often revolving around the interpretation of the Tenth Amendment and the scope of federal power. These cases have helped shape the dynamic and evolving nature of federalism in the United States, ensuring that the balance of power remains a fundamental aspect of the country's political system.
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Frequently asked questions
The Tenth Amendment to the US Constitution, ratified in 1791, gives states freedoms and control.
The Tenth Amendment specifies that any powers not delegated to the federal government are reserved for the states or the people.
States have the power to regulate public welfare and morality, and to tax their people and property.
The Tenth Amendment has been interpreted as a clarification of the federal government's limited powers, and that a government decision should be investigated as an overreach of its authority, rather than an infringement of civil liberties.

























