A Nation Torn Apart

KEY MOMENT: 1820

As America expanded west, each new territory asked: will you be a slave state or a free state? In 1820, Congress passed a deal called the Missouri Compromise. Missouri could join as a slave state. Maine joined as a free state. And they drew an invisible line across the middle of the country—slavery would be allowed south of the line, forbidden north of it. People thought this would solve the problem forever. It didn't.

PERSON TO KNOW

Frederick Douglass was born into slavery in Maryland. He secretly learned to read—which was illegal for enslaved people—by trading food for lessons from white children in the neighborhood. In 1838, at age 20, he escaped to the North. He became one of the most powerful speakers in American history. When he stood up to describe what slavery felt like from the inside, people who had never thought about it before suddenly understood. "I didn't know I was a slave until I found out I couldn't do the things I wanted," he said. His voice changed minds—and his autobiography changed hearts.

PERSON TO KNOW

Harriet Tubman was enslaved in Maryland. In 1849, she escaped—walking almost 90 miles north to freedom, mostly at night, guided by the North Star. But she didn't stay free and stay safe. She went back. Thirteen times. Each time risking capture, each time potentially being sold or killed. She guided roughly 70 people to freedom along the Underground Railroad. She never lost a single person. She later said: "I never ran my train off the track, and I never lost a passenger." During the Civil War, she would become the first woman ever to lead a U.S. military raid.

Nat Turner's rebellion made slaveholders more afraid—not less. So they tightened their grip. This shows how oppression can create a cycle: the more people resist, the harsher the rules get; the harsher the rules, the stronger the urge to resist. Is there any way out of that cycle?

KEY MOMENT: 1854

Congress passed a new law that said the settlers in new territories could vote on whether to allow slavery—ignoring the old Missouri Compromise line. The idea was called "popular sovereignty," which sounds very democratic. In practice, it meant that pro-slavery and anti-slavery settlers both rushed into Kansas to vote and to fight. What happened next was so violent it got a nickname: "Bleeding Kansas."

KEY MOMENT: 1857

Dred Scott was an enslaved man who had lived in free states for years. He went to court and argued that since he'd lived in free territory, he should be free. In 1857, the Supreme Court ruled against him—9 to 0. Chief Justice Roger Taney wrote that Black Americans had "no rights which the white man was bound to respect." The decision shocked the North. It said that even in free states, Black people weren't citizens. It made the argument for abolition feel even more urgent—and made Southern slaveholders feel they had won a permanent victory.

KEY MOMENT: 1860

Abraham Lincoln ran for president in 1860. He wasn't even on the ballot in most Southern states. He won anyway. Southern leaders had been warning for years: if Lincoln wins, we're leaving. They were true to their word. South Carolina left the Union in December 1860. By February 1861, six more states had left. They formed the Confederate States of America and chose their own president: Jefferson Davis. The United States of America was suddenly two countries.

"A house divided against itself cannot stand. I believe this government cannot endure, permanently, half slave and half free."

PLACE TO KNOW

The North called itself the Union. Its soldiers wore blue uniforms. The South called itself the Confederacy. Its soldiers wore gray. The war is sometimes called "the War Between the States" or "the War of Northern Aggression" in the South—but most historians call it simply the Civil War, because it was a war within one country.

KEY MOMENT: September 17, 1862

At a place called Antietam Creek in Maryland, Union and Confederate forces fought for 12 hours straight. By the end of the day, 23,000 soldiers were dead, wounded, or missing. That is more American casualties than on D-Day in World War II. It remains the bloodiest single day in American military history. The Union technically "won"—Lee retreated—but both sides lost so many men that it felt like defeat for everyone. A photographer named Alexander Gardner took pictures of the battlefield. When the photos went on display in New York, people saw the true face of war for the first time. They were horrified.

• Union (North): 23 states, population of ~22 million, most of the factories and railroads
• Confederacy (South): 11 states, population of ~9 million (including 3.5 million enslaved people)
• Confederate advantage: fighting on home soil, outstanding generals
• Union advantage: more people, more industry, more railroads, a navy

KEY MOMENT: July 1–3, 1863

In the summer of 1863, Robert E. Lee decided to invade the North. He had a bold plan: win a major victory on Northern soil, shock the North into giving up the fight, and maybe convince European countries to help the Confederacy. The Union and Confederate armies crashed into each other near a Pennsylvania town called Gettysburg. For three days, they fought across hills, fields, and farmlands. On the third day, Lee ordered 12,000 Confederate soldiers to charge across an open field straight at the Union lines. It's called "Pickett's Charge." Of the 12,000 men who started the charge, more than half were killed or wounded before they reached the Union lines. Lee retreated. He would never invade the North again. Gettysburg was the turning point.

"Four score and seven years ago our fathers brought forth on this continent, a new nation, conceived in Liberty, and dedicated to the proposition that all men are created equal... It is for us the living... to be dedicated here to the unfinished work which they who fought here have thus far so nobly advanced."

• 3 days of fighting: July 1, 2, and 3, 1863
• 51,000+ total casualties (killed, wounded, captured) across both sides
• 272 words in Lincoln's Gettysburg Address
• 2 minutes — how long Lincoln's speech took to deliver
• 12,500 — men who charged in Pickett's Charge; over half became casualties

KEY MOMENT: Late 1864

General Sherman led 60,000 Union soldiers on a 300-mile march from Atlanta, Georgia, to the coast at Savannah. His goal was to break the South's will to fight by destroying its ability to supply its army. His troops tore up railroad tracks, burned warehouses, and took food and supplies. It was brutal. It was also effective. Sherman wrote: "War is cruelty, and you cannot refine it." His march showed that the Confederacy could not protect its own people—a devastating blow to Southern morale.

TRAGEDY: April 14, 1865

Five days after Lee surrendered, Abraham Lincoln went to the theater. He was watching a comedy called Our American Cousin at Ford's Theatre in Washington D.C. A man named John Wilkes Booth—a Southern sympathizer who hated Lincoln—sneaked into the presidential box and shot Lincoln in the back of the head. Lincoln died the next morning. He was 56 years old. The man who had guided the nation through its greatest crisis would never see the peace he had worked so hard to achieve. The country was stunned with grief—and the people who had hoped Lincoln's generous approach to rebuilding the South would prevail were suddenly at the mercy of others who had very different ideas.

• 13th Amendment (1865): Slavery is illegal everywhere in the United States. Forever.
• 14th Amendment (1868): Everyone born in the U.S. is a citizen with equal rights. (This directly overturned the Dred Scott decision.)
• 15th Amendment (1870): Black men have the right to vote. No state can take that away because of race.

KEY MOMENT: 1865–1866

In 1865, a group of Confederate veterans in Tennessee founded the Ku Klux Klan. It was a terrorist organization. Wearing white robes and hoods, KKK members burned Black homes and churches, attacked and murdered Black Americans and their white supporters, and used violence and threats to stop Black men from voting. Their goal: to reverse everything Reconstruction was achieving. Other violent groups formed across the South with the same purpose. The federal government fought back—the Ku Klux Klan Act of 1871 gave the president power to use the military against them—but the violence continued.

Some historians call Reconstruction "America's Second Revolution." Why do you think they say that? What changed? And what forces tried to stop those changes from sticking?

KEY MOMENT: 1896

In 1892, Homer Plessy—who was one-eighth Black—deliberately sat in a whites-only railroad car in Louisiana to challenge the segregation law. He was arrested. His case went all the way to the Supreme Court. In 1896, the Court ruled 7–1 against him. The ruling said that "separate but equal" facilities were legal under the Constitution. This was a lie. Separate was never equal. Black schools got less money. Black hospitals had worse equipment. Black neighborhoods had unpaved roads. "Separate but equal" was the law of the land for nearly 60 more years, until the Supreme Court overturned it in 1954.

PERSON TO KNOW

Booker T. Washington was born into slavery in Virginia. He became one of the most famous Black Americans of his era. In 1881, he founded the Tuskegee Institute in Alabama—a college that trained Black students in practical trades and skills. Washington believed that if Black Americans focused on economic independence—learning a trade, building businesses, owning land—they would gradually earn respect and rights. He was the most powerful Black political figure of his time, advising presidents and guiding millions of dollars in philanthropy. But many disagreed with his approach, feeling it asked Black Americans to accept second-class status too quietly.

PERSON TO KNOW

W.E.B. Du Bois was the first Black American to earn a PhD from Harvard University. He disagreed sharply with Booker T. Washington. Du Bois argued that Black Americans should demand full civil rights now—not wait and hope they'd eventually earn them. "We shall not be satisfied with less than our full manhood rights," he wrote. In 1905, he organized the Niagara Movement—a group of Black intellectuals who demanded an end to discrimination. His energy and ideas would soon lead to the founding of one of America's most important organizations.

KEY MOMENT: 1917–1918

When the United States entered World War I, about 400,000 Black Americans served in the military. They fought for a country that treated them as second-class citizens at home. Many hoped that their service would earn them full equality when they returned. The slogan "Double V" captured the idea: victory abroad against the enemy, victory at home against racism. When Black soldiers returned from France—where French people had treated them with respect and equality—they came home to Jim Crow America. Many were determined to fight for their rights more forcefully than ever.

KEY MOMENT: Summer 1919

In the summer of 1919, white mobs attacked Black communities in more than 25 cities across the United States. It's called "Red Summer" because of all the blood. In Chicago, fighting lasted 13 days. In Elaine, Arkansas, possibly hundreds of Black sharecroppers were killed. In Washington D.C., mobs roamed the streets for days. The violence was partly driven by fear—fear that returning Black veterans would demand their rights, fear of Black economic progress. This time, Black communities fought back. The Red Summer was horrifying, but it also showed that a new generation was not going to accept violence passively.

Jazz musicians like Louis Armstrong created a whole new kind of music. Writers like Langston Hughes and Zora Neale Hurston wrote poems and stories that captured the richness and pain of Black American life. Artists created paintings and sculptures. Philosophers wrote essays about Black identity and pride. The Harlem Renaissance said to the world: Black culture is not just surviving—it is thriving. It is creating things of beauty that the whole world will eventually love. And the world did. Jazz became America's most original contribution to world music. Harlem Renaissance literature is still read and taught today.

"Life is for the living. Death is for the dead. Let life be like music. And death a note unsaid."