
The United States Constitution is one of the most important documents in American history. It is the oldest written constitution of any country and establishes the government of the United States. The Constitution was signed on September 17, 1787, in Philadelphia, Pennsylvania, and went into effect on March 4, 1789, after nine states had approved it. The document was created in response to dissatisfaction with the Articles of Confederation, which did not give the central government enough power. The Constitution has been amended 27 times since 1789, with the first 10 amendments, known as the Bill of Rights, going into effect in 1791. The preamble of the Constitution sets the stage for the document, communicating the intentions of its framers and the purpose of the document, which is to form a more perfect union, establish justice, ensure domestic tranquility, provide for the common defence, promote general welfare, and secure the blessings of liberty for the American people.
| Characteristics | Values |
|---|---|
| Date of signing | 17 September 1787 |
| Date of coming into effect | 4 March 1789 |
| Purpose | To form a more perfect union, establish justice, ensure domestic tranquility, provide for the common defence, promote the general welfare, and secure the blessings of liberty |
| System of government | Federal system with three branches (legislative, executive, and judicial) |
| Amendments | 27 since 1789 |
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What You'll Learn

The Preamble
The wording and structure of the Preamble are significant. The strong verbs used, such as "form," "establish," "insure," "provide," "promote," and "secure," signify governmental power and the intent to create a robust and protective union. The Preamble has been interpreted as a core purpose for the US Government, with federal officials and employees recognising their responsibility to work towards the goals outlined in it.
While the Preamble has been criticised for stating goals that the US Government has not fully achieved, it is important to recognise that the US constitutional government has always been a work in progress. The democratic processes described in the Constitution allow the people to hold national leaders accountable to these goals. Additionally, the Preamble has been used by courts as evidence of the Founding Fathers' intentions and the intended scope of the Constitution's powers. For example, in cases involving eminent domain, courts have referred to the Preamble's reference to "promoting the general welfare" to interpret the Constitution in favour of public use and individual freedoms.
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The Constitution's purpose
The US Constitution is one of the most important documents in American history. It is the oldest written constitution of any country in the world. The Constitution established the government of the United States and outlines the rights and obligations of its citizens.
The Constitution was signed on September 17, 1787, in Philadelphia, Pennsylvania, and came into effect on March 4, 1789, after nine states had approved it. It was written to replace the Articles of Confederation, which did not give enough power to the central government. The Constitution gave the United States a federal system, with a strong centralized government.
The Constitution also aimed to "establish justice, insure domestic tranquility, provide for the common defense, promote the general welfare, and secure the blessings of liberty." These intentions are communicated in the Preamble, which sets the stage for the Constitution and explains its purpose. The Preamble is not a law itself but introduces the highest law of the land.
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The Constitution's history
The United States Constitution is one of the most important documents in American history. It is the oldest written constitution of any country in the world. The Constitution established the government of the United States and outlines the rights and obligations of its citizens.
The Constitution was signed on September 17, 1787, in Philadelphia, Pennsylvania, by the members of the Constitutional Convention. The Constitutional Convention was convened in response to dissatisfaction with the Articles of Confederation, which were viewed as not granting enough power to the central government. The Convention sought to create a stronger centralized government and, after four months of secret debate and many compromises, the proposed Constitution was submitted to the states for approval.
The Constitution starts with a section called the Preamble, which serves as an introduction to the document. The Preamble sets the stage for the Constitution and communicates the intentions of its framers. It is not a law itself but explains the purpose of the Constitution, which is to "form a more perfect Union, establish justice, insure domestic tranquility, provide for the common defense, promote the general welfare, and secure the blessings of liberty to ourselves and our posterity". The Preamble emphasizes the idea of a federal system, where the people of the country, having recently gained independence from Great Britain, would now have a say in making the laws that governed them.
The writers of the Constitution separated the government into three equal branches: legislative, executive, and judicial. This system of checks and balances ensures that each branch has some power over the others. The Constitution has been amended, or changed, only 27 times since 1789, with the first 10 amendments, known as the Bill of Rights, going into effect in 1791.
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The Constitution's impact
The US Constitution, signed on September 17, 1787, is one of the most important documents in American history. It established the government of the United States and has had a profound impact on the country's political and legal landscape. The Constitution's introduction, known as the Preamble, sets the stage by outlining the intentions of its framers and the purpose of the document itself.
The US Constitution has had a far-reaching impact on the country's political and legal system, shaping the way the government functions and how laws are made and interpreted. One of its key impacts is the establishment of a federal system, where the power is shared between the states and the central government. This was a significant change from the previous Articles of Confederation, which had granted limited powers to the central government, leading to a need for a stronger centralized government.
The Constitution also introduced a system of checks and balances by dividing the government into three equal branches: the legislative, executive, and judicial. This system ensures that no single branch holds too much power and allows for a balance of powers between the different levels of government. For example, while the President (the leader of the executive branch) can appoint members of the Supreme Court, the Senate (part of the legislative branch) has the power to reject these choices.
Another significant impact of the Constitution is the protection of citizens' rights and obligations and liberties. The Bill of Rights, comprising the first ten amendments to the Constitution, guarantees various freedoms and rights, including freedom of speech, religion, and the press, as well as the right to bear arms. These rights have become deeply ingrained in American society and culture, shaping the country's identity and values.
The Constitution has also played a crucial role in shaping the relationship between the states and the federal government. While the federal government has the power to regulate interstate commerce and impose taxes, the states retain a significant amount of autonomy and have their own constitutions and laws. This balance of power between the states and the central government has been a defining feature of American federalism.
Furthermore, the Constitution's impact extends beyond the political and legal spheres, influencing everyday life in America. It affects everything from how citizens consent to following the law to how laws are applied fairly to everyone. The Constitution's principles and values have become intertwined with American culture, shaping social norms and behaviours.
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Amendments
The US Constitution has been amended, or changed, only 27 times since 1789. The first 10 amendments, known as the Bill of Rights, went into effect in 1791, just two years after the Constitution became official.
Amending the Constitution is a challenging process. Two-thirds of each house of Congress and three-fourths of the states must approve every amendment. The writers of the Constitution separated the government into three equal branches: legislative, executive, and judicial. Each branch has some power over the others, creating a system of checks and balances. For example, the executive branch leader, the president, can appoint members of the Supreme Court, but the legislative branch, the Senate, has the power to reject those choices.
The US Constitution is one of the most important documents in American history, and the rights and obligations it grants have had an enormous impact on American life. The amendments to the Constitution are an essential part of this, with each change reflecting the evolving needs and priorities of the nation.
The preamble to the Constitution, which introduces the document, sets the stage for this dynamic and influential legal framework. It communicates the intentions of the framers and the purpose of the document, stating:
> "We the people of the United States, in order to form a more perfect Union, establish justice, insure domestic tranquility, provide for the common defense, promote the general welfare, and secure the blessings of liberty to ourselves and our posterity, do ordain and establish this Constitution for the United States of America."
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Frequently asked questions
The introduction to the US Constitution is called the Preamble.
The Preamble is a short explanation of the purpose of the Constitution. It communicates the intentions of the framers of the Constitution and what they hoped to achieve.
The Preamble states: "We the people of the United States, in order to form a more perfect Union, establish justice, insure domestic tranquility, provide for the common defense, promote the general welfare, and secure the blessings of liberty to ourselves and our posterity, do ordain and establish this Constitution for the United States of America."
The Preamble sets the stage for the rest of the Constitution, which is the highest law of the land. It establishes that the people of the country are making the rules, and that the government will be made up of three equal branches—legislative, executive, and judicial—with a system of checks and balances.

























