
The United States Constitution is the country's primary law, outlining the powers and limitations of the government. It was designed to be changed and can be amended both formally and informally. Formal amendments require a two-thirds majority vote in Congress to become a proposal and must then be ratified by three-fourths of state legislatures. Informal amendments, on the other hand, refer to changes in the interpretation and application of the Constitution over time. This can occur through the judicial review process, where the Supreme Court interprets the Constitution and determines the constitutionality of laws, setting a precedent for how the Constitution is understood and applied without changing its wording. Political parties, societal changes, and special interests can also influence informal amendments by shaping political processes and how constitutional rights are applied in practice.
| Characteristics | Values |
|---|---|
| Formal change | Amendment or addition |
| Formal amendment process | Outlined in Article V of the Constitution |
| Formal proposal | Requires a two-thirds majority vote in both houses of Congress |
| Ratification | Requires approval by three-fourths of the state legislatures or ratifying conventions |
| Informal change | Interpretation of how to implement the Constitution's text in society |
| Informal amendment process | No official process, but influenced by societal change and judicial review |
| Judicial review | The Supreme Court's right to interpret the application of the Constitution |
| Political parties | A source of informal amendment by influencing the political process |
| Special interests | Another source of informal amendment by influencing elected officials |
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What You'll Learn

The US Constitution is flexible and designed to change
The US Constitution is the nation's primary law, establishing the powers and limitations of the American government. It was designed with the flexibility to change and adapt to the nation's evolving needs. This flexibility is evident in the ability to amend the Constitution through both formal and informal processes.
Formal amendments to the Constitution are officially recognised changes or corrections that follow a rigorous procedure. According to Article V of the Constitution, there are two methods to propose and ratify formal amendments. Firstly, two-thirds of both houses of Congress must vote to propose an amendment. Alternatively, two-thirds of state legislatures can request Congress to convene a national convention to suggest amendments. For ratification, three-fourths of the state legislatures must approve the amendment, or ratifying conventions in three-fourths of the states must consent. This two-step process, involving proposal and ratification, ensures that any alteration to the Constitution undergoes meticulous scrutiny.
While formal amendments are explicit modifications to the Constitution, informal amendments refer to the evolving interpretation and application of its provisions. The absence of a codified informal amendment process in the Constitution does not preclude its occurrence. Over time, societal changes and shifts in cultural values influence how constitutional rights are understood and implemented. Political parties, for instance, have been a significant force in informally amending the Constitution by shaping the political landscape through candidate selection and party platforms.
The Supreme Court also plays a pivotal role in informal amendments through the process of judicial review. In the landmark case of Marbury v. Madison in 1803, Chief Justice John Marshall affirmed the Supreme Court's authority to interpret the Constitution and assess the conformity of American statutes with it. This power of judicial review allows the Supreme Court to set precedents and determine how the Constitution should be understood and applied in contemporary contexts without altering its text.
The flexibility of the US Constitution, allowing for both formal and informal amendments, ensures its adaptability to societal transformations and shifts in cultural values. This adaptability has enabled the document to remain relevant despite being drafted in a vastly different era, reflecting the Founding Fathers' foresight in creating a framework capable of evolving with the nation.
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Formal vs informal processes
The United States Constitution is the primary law of the nation that establishes the powers and limitations of the American government. It was designed to be changed and can be altered through both formal and informal processes.
A formal change to the Constitution is called an amendment or addition. To amend the Constitution, there is a two-step process. First, an amendment must be proposed or suggested. Second, the proposed amendment must be ratified or approved. Both steps require a supermajority. To propose an amendment, two-thirds of both houses of Congress must vote in favour. If approved, it becomes a formal proposal, which is sent to the state legislatures for ratification. Three-fourths of the states' legislatures must approve an amendment before it is added to the Constitution.
The Constitution can also be informally amended. There is no official informal amendment process outlined in the Constitution. However, the Framers provided the different branches of government with the flexibility to apply and interpret the Constitution in ways that allow it to change. The way the Constitution is interpreted may change over time. The process of judicial review, or the right of the Supreme Court to interpret the application of the Constitution, can change how the Constitution is understood. Through judicial review, the Supreme Court can legally change the interpretation of the Constitution. They don't change the wording or create an amendment but, through their interpretation, they set a precedent determining how the Constitution should be read and applied. So, it's a change, but an informal one.
Informal amendments can also occur through two overall political processes: societal change and judicial review. Societal change can lead to shifts in how constitutional rights are applied. For example, originally only land-owning white males could vote in federal elections. Due to a burgeoning middle class at the peak of the Industrial Revolution in the 1800s, society became focused on expanding rights for the middle and working classes. This led to the right to vote being extended to more and more people. However, formal recognition of the right of poor whites, black males, and later women, was only fully secured in the Fifteenth Amendment (1870) and the Nineteenth Amendment (1920). Political parties have also been a major source of informal amendment by influencing the political process through the selection of candidates, the establishment of national and local party platforms, and injecting party politics into the process of presidential appointments. Special interests have also influenced the political process through campaign financing and information dissemination.
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The role of the Supreme Court in interpretation
The United States Constitution is the country's primary law, outlining the powers and limitations of the American government. It was designed to be changed and can be altered through both formal and informal processes. While there is no official informal amendment process outlined in the Constitution, the document was drafted with a degree of flexibility, allowing for different interpretations and applications over time. This flexibility has enabled the Constitution to remain relevant and adaptable to societal changes that the Founding Fathers could not have foreseen.
The Supreme Court plays a crucial role in interpreting the Constitution and, by extension, informally amending it. The Court doesn't change the wording or create amendments, but through its interpretations, it sets precedents that influence how the Constitution is understood and applied. This process of constitutional interpretation by the Supreme Court can lead to changes in the expectations and applications of the document without altering its original text.
For example, in the early 19th century, as America developed a strong middle class, the interpretation of the Constitution shifted to ensure the voting rights of all white males, regardless of wealth. The Supreme Court, along with Congress, played a role in this shift by interpreting the Constitution in a way that reflected the changing societal norms and expectations. This interpretation set a precedent and informally amended the Constitution without altering its wording.
The Supreme Court's interpretation of the Constitution can have far-reaching implications for how the document is applied in practice. Through its rulings and interpretations, the Court provides guidance to lower courts, executive branch agencies, and state governments on how to understand and implement the Constitution. This interpretive role allows the Supreme Court to shape the law and policy of the land without directly amending the Constitution's text.
In conclusion, the Supreme Court's role in interpreting the Constitution is integral to the informal amendment process. Through its rulings and precedents, the Court adapts the application of the Constitution to changing societal contexts. This dynamic interpretation ensures that the Constitution remains a living document, capable of serving a nation that has evolved significantly since its founding, including the wide range of technology used for communication today.
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Political parties' influence on the process
Political parties have a significant influence on the process of amending the Constitution. This influence can be seen through their impact on public discourse and opinion, legislative agendas, judicial appointments, and the amendment process itself.
Firstly, political parties shape public discourse and influence public opinion on constitutional issues. They use their platforms and media presence to promote specific interpretations of the Constitution, which can then shape how individuals understand and perceive constitutional principles. For example, a party's consistent advocacy for a particular interpretation of the Second Amendment can influence public opinion on the right to bear arms and how courts consider related cases.
Secondly, when a political party has a majority in the legislature, they can pass laws that align with their interpretation of the Constitution. These laws can have a lasting impact on how the Constitution is interpreted in the future, as courts may consider legislative intent when making decisions. For instance, if a party favours a broad interpretation of the Constitution's commerce clause, they may expand the federal government's regulatory power in economic matters through legislation.
Thirdly, political parties influence the judicial branch by supporting or opposing nominees to federal judicial positions, including the presidency, Senate, and House of Representatives. The individuals they promote to these offices can have a significant impact on constitutional interpretations.
Finally, political parties can propose and advocate for constitutional amendments that align with their agenda and interpretation of the Constitution. If these amendments are ratified by at least three-fourths of the states' legislatures (and in some cases, a vote of the citizens), they become part of the Constitution and can change its meaning or clarify certain provisions. This process allows political parties to shape the Constitution according to their ideals and objectives.
It is worth noting that the interpretation of the Constitution is ultimately determined by the courts, which consider various factors beyond political influences, including precedent, legal principles, and textual analysis. Additionally, the Founding Fathers made it deliberately challenging to formally amend the Constitution through the process outlined in Article V. However, political parties' influence on public opinion, legislation, and judicial appointments can indirectly shape how the Constitution is understood and applied.
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Societal change and shifts in rights
The United States Constitution is the primary law of the nation that establishes the powers and limitations of the American government. It was designed to be changed and can be changed through both formal and informal processes. While there is no official informal amendment process outlined in the Constitution, the document was written with a degree of flexibility that allows for different interpretations and applications over time. This flexibility has allowed the Constitution to remain relevant and adaptable to societal changes and shifts in rights.
One example of an informal amendment to the Constitution is the changing interpretation of voting rights in the early 19th century. As America developed a strong middle class, Congress and the Supreme Court began to interpret the Constitution as ensuring the voting rights of all white males, regardless of wealth. While the wording of the Constitution did not change, the interpretation and application of it evolved to reflect shifting societal norms and expectations.
Another example of an informal amendment is the interpretation of the Constitution by the Supreme Court, which can set precedents for how the document should be read and applied without altering the original text. This process allows for a degree of flexibility and adaptability in the interpretation of the Constitution, ensuring that it remains relevant and responsive to societal changes.
Over time, societal changes and shifts in rights have influenced the interpretation and application of the Constitution, particularly in areas such as civil rights, women's rights, and social justice. For example, the interpretation of equal protection under the law has evolved to include protections for marginalized communities, such as racial minorities and LGBTQ+ individuals, even though the original text may not have specifically addressed these issues.
The informal amendment process has allowed the Constitution to grow and change as society has evolved, ensuring that the document remains a living and adaptable framework for governing. This process highlights the importance of interpretation and application in constitutional law and allows for a certain level of flexibility in how the Constitution is understood and implemented.
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Frequently asked questions
An informal amendment to the constitution is an interpretation of the constitution that has changed over time. This can occur through societal change or the judicial review process.
The judicial review process is the ability of the Supreme Court to challenge the constitutionality of laws. In 1803, Chief Justice John Marshall ruled that the U.S. Supreme Court had the legal authority to interpret the Constitution and determine whether American statutes were in keeping with it.
Political parties have been a major source of informal amendments by influencing the political process through the selection of candidates and the establishment of national and local party platforms. Special interests have also influenced the political process through campaign financing and information dissemination.

























