Francis Scott Key was opposed to slavery in principle, though he held slaves and was opposed to abolition.

Adams was a vocal opponent of slavery during the Revolutionary era

In letters written during the Revolution, Adams clearly opposed slavery—calling it an unjust scheme and highlighting the contradiction of fighting for freedom while enslaving others. Read it in her own words here in a letter to John Adams.

Whitman's antislavery writing often focused on white Americans

The poet was openly opposed to slavery, though some of his writing focuses on abolition’s benefits for white people rather than for the lives of the enslaved.

Later in life, Washington privately grew critical of slavery—while continuing to uphold it publicly

His private letters increasingly described slavery as unjust and incompatible with Republican ideals, and his final will ordered the eventual emancipation of those he legally owned. At the same time, he enforced slave labor, signed pro-slavery laws, and took no public action to dismantle the system.

Hamilton opposed slavery in principle but participated in the institution

Alexander Hamilton spoke against slavery, helped found the New York Manumission Society, and supported gradual emancipation while also participating in transactions involving enslaved people through his in-laws—and possibly within his own household, though historians debate this.

Madison condemned slavery in theory while owning slaves

James Madison argued that slavery violated Revolutionary ideals. Yet, he inherited and managed more than 100 enslaved people to operate the family's 3,000-acre plantation, brought enslaved laborers to the White House, and later sold them for personal profit.

The Dred Scott decision denied citizenship to people of African descent

In 1857, the Supreme Court ruled in Dred Scott v. Sandford that Black Americans could not be US citizens. The decision heightened an already brewing conflict and became a key factor in pushing the nation toward civil war.

Abolitionists shaped American history from the Revolution to the Civil War

Abolitionists of all backgrounds organized against slavery from the founding era onward. Historian Manisha Sinha argues that their decades of activism fundamentally shaped American democracy and made emancipation possible.

The abolitionist movement long predated the Civil War

Beginning in the late 18th century, abolitionists like Frederick Douglass, William Lloyd Garrison, and Sojourner Truth campaigned through newspapers, lectures, and political action to end slavery.

John Marshall owned enslaved people and ruled against them in slavery cases

Though Marshall wrote that slavery was "contrary to the law of nature," he enslaved nearly 200 people at his death in 1835 and ruled against enslaved claimants in several cases. His will offered conditional emancipation to Robin Spurlock, his first slave.

According to Confederate leaders, the defense of slavery was the primary reason for secession.

Whitman's view on slavery was informed by a trip to New Orleans

In 1848, Walt Whitman traveled with his brother to New Orleans to pursue a job opportunity at the Daily Crescent newspaper. While there, he witnessed firsthand the horrors of the slave trade, an experience that would inform the political and artistic projects that followed.

A section condemning slavery was cut from the Declaration

Thomas Jefferson included a passage in his original draft denouncing slavery. This explainer from the Henry Ford Museum explores why Congress removed it to preserve colonial unity and how that decision shaped the nation's earliest political compromises.

The Dred Scott decision denied African Americans citizenship, upheld slavery, and marked the first use of judicial review since Marbury v. Madison

This page explores the case, providing information on Dred Scott and his case before the Supreme Court. Explore the implications of one of the most critical cases in the history of the court.

Hear how the world reacted to the American Civil War

European nations closely watched the Civil War for its economic and political consequences. Some European nations quietly engaged diplomatically with the Confederacy but withheld recognition. When the Union made slavery's abolition a central cause, European public opinion turned sharply against the South.

Whitman founded an antislavery newspaper in Brooklyn

In 1948, Whitman founded a “free soil” newspaper called the Brooklyn Freeman, which explicitly argued against slavery. That activism led to problems for the paper, including an attack on its headquarters after the release of its first issue.

See how the Declaration evolved from draft to final text

John Adams urged Congress to choose Thomas Jefferson to draft the Declaration because of his literary skill and low-profile reputation. Read Jefferson's initial draft, which included passages later removed, including a forceful denunciation of slavery.

Despite the Juneteenth announcement that they were free, some enslaved people were still held captive.

Thoreau's 'Civil Disobedience' was largely a protest against the Mexican-American War

Henry David Thoreau refused to pay taxes that funded what he saw as an unjust war waged to expand slavery. His act of protest inspired his famous essay "Civil Disobedience," a foundational text for nonviolent resistance.

What was life like as a slave in the US?

Over 2,500 former slaves were interviewed by writers and journalists in the late 1930s as part of the US Federal Writer's Project. The collection recorded images and firsthand verbal accounts of life as a slave, eight of which are highlighted in this article at the Library of Congress. See the humanity in each of these individuals with their firsthand accounts.

US westward expansion—and the status of slavery in the new territories—was a major cause of the American Civil War

The addition of new western lands forced the nation to confront whether slavery would spread beyond the South. Each debate over the admission of a new state sharpened the divide between free and slaveholding regions.

Many of the founding fathers were deists—believers in a God of reason

A uniquely American iteration of the Enlightenment movement thrived during the Revolution. This selection from a longer write-up on the American Enlightenment highlights six core ideas: deism, liberalism, republicanism, conservatism, toleration, and scientific progress.

Ben Franklin’s edit helped define the Declaration’s philosophy

When Thomas Jefferson drafted the Declaration, he wrote that its truths were “sacred and undeniable.” Benjamin Franklin urged replacing that phrase with “self-evident,” grounding the document in reason rather than religious authority and sharpening its Enlightenment logic.

Read Truth's account of escaping slavery in 1826

After her enslaver broke his promise to free her, Truth left before dawn, carrying her infant daughter and a bundle of clothes. She later found refuge with the Van Wagener family, who paid her master $20 for her freedom and $5 for her infant daughter.

Learn how Mexico’s anti-slavery stance shaped the US–Texas conflict

Historian Alice Baumgartner explores how Mexico’s abolition of slavery clashed with Anglo settlers' ambitions in Texas. The episode reveals how enslaved people fled south to freedom, reshaping the politics that led to Texas independence and the Mexican-American War.

Was the Civil War really about states' rights?

The Civil War was fought over slavery, and Confederate leaders and supporters admitted as much in the build-up to the war and after. But later on, after the South's defeat, the lie of the Lost Cause was pushed—and it persists to this day. This four-minute video details the story of the Lost Cause, "state's rights", Confederate monuments, and the machinations behind them.

The Declaration of Independence was not only a statement of principles but also an appeal for military allies that the struggling colonists needed to survive.

This article argues that the Declaration of Independence wasn't just a statement of separation from Britain. It was a strategic message aimed at France and Spain, designed to secure military support against the far stronger British Empire.

Read Thoreau's 'Civil Disobedience'

The essay—originally delivered as a lecture and inspired by a night in jail for failing to pay a poll tax—argued that citizens should nonviolently resist unjust government policies, including slavery. Read the entirety of the essay for free.

Southern Black Codes sought to preserve prewar racial labor structures

With little federal oversight, Southern states enacted laws effectively reestablishing slavery's economic and social order. These laws, known as the "Black Codes," restricted freed people's movement, labor, and property rights.

After gaining her freedom, Truth successfully went to court to free her son

When her son Peter was illegally sold into slavery in Alabama, Truth took the matter to court—becoming one of the first Black women to successfully sue a white man and win, and securing her son's return.

The 13th Amendment's criminal exception enabled new forms of forced labor

Southern states exploited the amendment's clause allowing slavery "as punishment for crime" to arrest thousands of Black Americans on minor charges, leasing them to private employers through convict labor systems that persisted for decades.

The Emancipation Proclamation shifted the purpose of the war for the Union

Issued on Jan. 1, 1863, the Emancipation Proclamation declared enslaved people in Confederate-held territory free, redefining the Union's cause from merely preserving the nation to abolishing slavery.

Slavery in the US: a timeline

In 1619, a ship with 20 captives landed at Point Comfort in Virginia, ushering in the era of American slavery. Scroll through this timeline to learn more about slavery in the US and its long lasting effects.

Thomas Jefferson and John Marshall clashed over national power and states' rights

Distant cousins Jefferson and Marshall advanced opposing constitutional visions—Jefferson favoring states' rights and local majorities, while Marshall defended broad federal authority and judicial review. Through decisions such as McCulloch v. Maryland, Marshall advanced national supremacy over state resistance.

Opposition to British taxes, regulation of trade was key to American independence

The economic situation in the colonies formed the backbone of the central events of the Revolution. British war debts caused it to lay the first direct taxes on colonists, cease their westward expansion claims, and adhere to stringent trade regulations, leading to backlash and eventual separation.

Who said 'rebellion to tyrants is obedience to God'?

As a brief, punchy statement rejecting unjust authority, "Rebellion to tyrants is obedience to God" became widely adopted during the American Revolution. The phrase is often misattributed to Benjamin Franklin and Thomas Jefferson, the latter of whom used it on his personal seal. This fact-checked article dives into the history of the phrase, claiming it was first used in 1770 in an epitaph for an English judge. Read more here.

Madison initially opposed a bill of rights but embraced it for pragmatic reasons

James Madison initially argued that bills of rights were ineffective. However, a competitive House race against James Monroe and the need to win the support of anti-Federalists in ratifying the Constitution led him to support amendments in the First Congress.

Hear the stories of some of the 577 people enslaved at Mount Vernon

Washington inherited his first slaves at age 11 and enslaved 123 people at the time of his death. This eight-part podcast traces the lives of eight of them, using their stories to examine how slavery complicates Washington's legacy today.

Critics argued Hamilton prioritized central power over popular sovereignty

This podcast examines Hamilton's belief in expansive federal power and why he was repeatedly labeled a monarchist—tracing how his calls for a strong executive, his life-tenure proposals at the Constitutional Convention, and his admiration for British stability fueled accusations that he favored centralized power over republican rule.

Walt Whitman wrote a temperance novel

Before “Leaves of Grass” there was “Franklin Evans,” a novel about a young man whose drinking ruins his life. Whitman all but disowned the novel for the rest of his life, though critics note that he preached teetotaling throughout his life.

The American Revolution became a template for a colonized world

The robust and radical transformation during the American Revolution created a template for dozens of future independence movements. Its key ideas of republicanism, individualism, and equality inspired revolutions in France, Haiti, Ireland, and more, paving the way for the broadly democratic world we know today.

Most Confederate soldiers and leaders after the Civil War were pardoned

After surrender, most Confederate soldiers were pardoned and returned home, while leaders like Jefferson Davis faced short imprisonment. The South came under military occupation, Confederate money became worthless, and many former officers were barred from public office.

Twain's ‘To the Person Sitting in the Darkness’ satirized American imperialism

The 1901 essay was a response to the Philippine-American War as well as Rudyard Kipling’s poem, “The White Man’s Burden,” which argued that Western nations had a moral duty to rescue non-Western nations from ignorance. Twain’s essay ironically encouraged lecturing citizens of the countries being invaded: “for the sake of the Business we must persuade him to look at the Philippine matter in another and healthier way. We must arrange his opinions for him.”

Martin Luther King Jr. invoked the Declaration to demand equality

This article examines how Martin Luther King Jr. drew on the language and ideals of the Declaration of Independence to frame the Civil Rights Movement as a continuation of the nation’s founding promises.

Lincoln's original reconstruction vision prioritized reconciliation

Proposed in 1863, Lincoln's Ten Percent Plan offered lenient readmission for Southern states once 10% of voters pledged loyalty and ended slavery. It was adopted in a few Union-occupied areas but was only partially implemented before his assassination in 1865.

Foreign policy and war defined Madison's presidency

During James Madison's presidency, disputes with Britain and France over trade, maritime rights, and impressment dominated foreign policy, culminating in the War of 1812 and shaping how the United States engaged with major European powers.

The Sons of Liberty used radical tactics to resist British policies

The radical, patriotic Sons of Liberty were born in response to British taxation in the American colonies during the 1760s. Its members included major revolutionary figures Samuel Adams, Paul Revere, and John Hancock, and their resistance led to the Stamp Act's repeal in 1766.

The rivalry between Alexander Hamilton and Thomas Jefferson centered on federalism—the question of how much power the federal government should hold relative to the states.

Alexander Hamilton and Thomas Jefferson clashed over how power should be divided in the new republic—Hamilton favoring a strong national government with broad implied powers, and Jefferson warning that such authority would erode state power and threaten republican liberty.

Early American citizenship was defined inconsistently by individual states

The original US Constitution did not define national citizenship, leaving it to the states to apply their own rules. This led to inconsistent and often exclusionary standards across the country until after the Civil War.

One of Hamilton's first published works was an anonymous pamphlet

While on a scholarship at King's College, Alexander Hamilton anonymously published a series of political pamphlets defending the Continental Congress, engaging in a sustained, sharply argued back-and-forth with loyalist writer Samuel Seabury that drew wide attention.

John Marshall gained national prominence during the XYZ Affair

In 1797, President John Adams sent Marshall to France amid seizures of American ships. French intermediaries demanded loans and bribes before talks, and Marshall refused. Publication of the dispatches fueled the Quasi-War and elevated his reputation in the United States.