What does the Constitution do?

Why This Matters

The USCIS interviewer asks this question to see if you understand the role the Constitution plays in American life. It is not enough to know that the Constitution exists. You need to know what it actually does for the country and its people.

The Constitution does three main things. First, it sets up the government by creating three branches: the legislative branch (Congress), the executive branch (the President), and the judicial branch (the courts). Second, it defines how the government works by explaining the powers and limits of each branch. Third, it protects the basic rights of Americans through amendments like the Bill of Rights.

Think of the Constitution as a blueprint. A blueprint tells builders how to construct a house. In the same way, the Constitution tells the nation how to build and run its government. It also acts as a shield, making sure the government cannot take away the freedoms that belong to the people.

Key Facts

• The Constitution was signed on September 17, 1787, in Philadelphia, Pennsylvania
• It replaced the Articles of Confederation, which had proven too weak to govern the new nation effectively
• The Constitution creates a system of shared power between the federal government and state governments, known as federalism
• The Preamble begins with "We the People," showing that the government's power comes from ordinary citizens
• The Constitution is the oldest written national constitution still in use today

Common Mistakes

• Saying the Constitution "declares independence", that was the Declaration of Independence in 1776, a completely different document with a different purpose
• Saying the Constitution only "protects rights", while it does protect rights, it also sets up and defines the entire structure of the U.S. government
• Confusing the Constitution with specific laws passed by Congress, the Constitution is the framework that gives Congress the power to make those laws

Study Tip

Remember the three actions: sets up, defines, and protects. The Constitution sets up the government like building a house, defines how each room works, and protects the people who live inside. If you can picture those three steps, you can answer this question with confidence.