The 13th Amendment to the United States Constitution, ratified just months after the end of the American Civil War, abolished enslavement and involuntary servitude—except as a punishment for a crime—in the entire United States. As passed by Congress on January 31, 1865, and ratified by the states on December 6, 1865, the full text of the 13th Amendment reads:

This resource from the National Constitution Center includes an introduction, big questions, recorded class sessions, briefing documents, slide decks, and worksheets about the fourteenth amendment of the United States Constitutuion.

The 14th Amendment to the United States Constitution deals with several aspects of U.S. citizenship and the rights of citizens. Ratified on July 9, 1868, during the post-Civil War era, the 14th, along with the 13th and 15th Amendments, are collectively known as the Reconstruction Amendments. Although the 14th Amendment was intended to protect the rights of formerly enslaved people, it has continued to play a major role in constitutional politics to this day.

The 15th Amendment, ratified on February 3, 1870, extended the right to vote to Black American men seven years after the emancipation proclamation deemed the enslaved population free. Giving Black men voting rights was yet another way for the federal government to recognize them as full American citizens.

The 16th Amendment to the United States Constitution gives Congress the power to collect a federal income tax from all individuals and businesses without sharing or “apportioning” it among the states or basing the collection on the U.S. Census.

This resource from the National Constitution Center includes an introduction, big questions, recorded class sessions, briefing documents, slide decks, and worksheets about the nineteenth amendment of the United States Constitutuion.

Have students bring articles on current events which either support or criticize the 1st Amendment

The 26th Amendment to the United States Constitution bars the federal government, as well as all state and local governments, from using age as a justification for denying the right to vote to any citizen of the United States who is at least 18 years of age. In addition, the Amendment grants Congress the power to “enforce” that prohibition through “appropriate legislation.”

An interactive map that shows electoral college results for presidential elections. Also includes historical elections back to 1789, and various elections for Senate, House of Representatives, and governors. Students can also interactive with and manipulate the map to see how elections would have turned out with different results.

This resource from the National Constitution Center includes an introduction, big questions, recorded class sessions, briefing documents, slide decks, and worksheets about the 27 amendments of the United States Constitutuion.

The original governing document of the United States was the Articles of Confederation, adopted by the Continental Congress in 1777 during the Revolutionary War before the United States was officially a country. This structure combined a weak national government with strong state governments. The national government could not tax, could not enforce the laws it passed, and could not regulate commerce. These and other weaknesses, along with an increase in national feeling, led to the Constitutional Convention, which met from May to September 1787.

Since its final ratification in 1788, the U.S. Constitution has been changed countless times by means other than the traditional and lengthy amendment process spelled out in Article V of the Constitution itself. In fact, there are five totally legal “other” ways the Constitution can be changed.

This lesson explores the challenges the United States faced as a result of the terrorist attacks on September 11, 2001, and examines the government's response through the lens of protection and civil liberties. Students will consider the long-term effects of the emergency measures, their consequences and constitutionality, and how they might inform the balance between security and liberty today.

The anniversaries of the terrorist attacks on the United States on September 11, 2001, and the signing of the Constitution on September 17, 1787, provide us an opportunity to reflect upon who we are as Americans, examine our most fundamental values and principles and affirm our commitment to them, and evaluate progress toward the realization of American ideals and propose actions that might narrow the gap between these ideals and reality. The following lessons are designed to accomplish these goals.

The anniversaries of the terrorist attacks on the United States on September 11, 2001, and the signing of the Constitution on September 17, 1787, provide us an opportunity to reflect upon who we are as Americans, examine our most fundamental values and principles and affirm our commitment to them, and evaluate progress toward the realization of American ideals and propose actions that might narrow the gap between these ideals and reality. These lessons are designed to accomplish these goals.

Review America’s founding documents from a typical course of study for an AP Government class and understand these essential documents better—including their fundamental ideas and the major principles underlying the U.S. Constitution. Primary sources include the Declaration of Independence, the Articles of the Confederation, the Constitution (including the Bill of Rights), The Federalist Papers (#51, #70, #78), Brutus #1, and Martin Luther King Jr.’s Letter from the Birmingham City Jail.

Students will explore the vice of ambition in a constitutional republic and civil society in this lesson on civic virtue.  Students will examine the difference between self-serving ambition and noble ambition, and then explore the character and career of Aaron Burr. Burr engaged in various machinations to establish an empire in the West and was put on trial for treason.  Students will analyze a historical narrative, discussion guide, and various activities to explore the effect of self-serving ambition in a constitutional republic and on civil society.

Use this lesson with the Mercy Otis Warren Narrative and the Judith Sargent Murray Primary Source "On the Equality of the Sexes" to allow students to discuss gender roles and expectations in the founding period.

This resource is an article about abolitionists and the U.S. Constitution. Access to this resource requires a free educator login.

Read information about the "Founding Fathers" of the United States of America, including George Washington, James Madison, Thomas Jefferson, John Adams, Benjamin Franklin, Alexander Hamilton, George Mason, Gouverneur Morris, Roger Sherman, James Wilson, and Edmund Randolph.