In which John Green teaches you about the Mexican-American War in the late 1840s, and the expansion of the United States into the western end of North America. In this episode of Crash Course, US territory finally reaches from the...

The American Civil War is one of the deadliest in US History, and let's just get this out of the way: it was about slavery. In the more than 150 years since the end of the Civil War, there have been many attempts to litigate the reasons...

In 1820, the United States was growing—but deep divisions over slavery were threatening to tear it apart. The Missouri Compromise was an agreement meant to keep peace between free and slave states by drawing a line across the country....

In 1860, tensions over slavery pushed the United States to the brink of collapse, leading to secession of 11 states and the creation of the Confederacy.

The Kansas-Nebraska Act of 1854 allowed territories to decide on slavery through popular sovereignty, escalating tensions that led to the Civil War.

Between 1619 and 1820, slavery shaped America, driving economic growth while deepening divisions between North and South, highlighting a stark contradiction in the nation’s ideals.

In the 1850s, the newly established territory of Kansas descended into chaos – as pro and anti-slavery activists attempted to influence its admittance to the Union. Bleeding Kansas was a precursor to the Civil War.

This video explores the events leading up to the Civil War, focusing on the Missouri Compromise of 1820 and its role in heightening tensions between Northern and Southern states over slavery. Viewers will also learn about Nat Turner's...

In the United States’ two-party system, the Republican Party competes with the Democratic Party for political power. But when was it formed and how has it changed over the years?

In the United States’ two-party system, the Republican Party competes with the Democratic Party for political power. But when was it formed and how has it changed over the years?

Here is why Kansans and Missourians have a long history of hating each other.

A summary of the Presidential Election of 1844 between James K. Polk and Henry Clay.

A focused video lecture explaining the Supreme Court case, Scott vs Sandford (1857), better known as the Dred Scott Decision. In this 12 minute video we look at the facts of the case, the court's rational and decision and most...

This program explores the geography, history, and some important cultural features of the Southwestern Region of the United States. The individual states of Texas, New Mexico, Arizona and Nevada are presented in detail.

This clip explores the geography, history, and some important cultural features of Florida.

Learn more about the crisis that led to the American Civil War.

Learn more about the Dred Scott decision and why it is considered the worst U.S. Supreme Court ruling in history.

In this series, I look at countries which no longer exist, and how they loom over us today. This episode we look at the short-lived Confederate States of America.

This clip explores the geography, history, and some important cultural features of Maryland.

Here's the story of a period in American history when the country wasn't as divided, at least politically, as it usually is.

This program explores the geography, history, and some important cultural features of the Southwestern Region of the United States. The individual states of Texas, New Mexico, Arizona and Nevada are presented in detail.

What was the Missouri Compromise of 1820? How did it attempt to deal with the expansion of slavery? Who opposed it, who supported it? Perfect for #APUSH students or anyone studying US History.

This program explores the geography, history, and some important cultural features of the Southwestern Region of the United States. The individual states of Texas, New Mexico, Arizona and Nevada are presented in detail.

This program explores the geography, history, and some important cultural features of the Southwestern Region of the United States. The individual states of Texas, New Mexico, Arizona and Nevada are presented in detail.