Abolitionists
This abolitionist was a conductor on the Underground Railroad, making at least 13 trips back to the South to rescue around 70 people.
Harriet Tubman
This constitutional compromise allowed states to count 60% of its slaves toward its population number, giving slave states more representation.
Three-Fifths Compromise
The election of this president led to the secession of slave states weeks after the votes were tallied.
Abraham Lincoln
The US purchased this territory from France for $15 million, instantly doubling the country's size.
Louisiana
This law gave popular sovereignty to the territories of Kansas and Nebraska in 1854.
Kansas-Nebraska Act
This former slave wrote a best-selling autobiography and published the North Star.
Frederick Douglass
This compromise brought Maine into the nation as a free state, and also brought Missouri in as a slave state.
Missouri Compromise
This president signed the Indian Removal Act, clearing the way for thousands to Americans to spread west and expand the country.
Andrew Jackson
Gold discovered in this territory led to thousands of Americans moving there beginning in 1848 in an attempt to strike it rich.
California
California entered the Union as a free state as part of this deal.
Compromise of 1850
This former slave was the first black woman to win a court case against a white man when she sued for the freedom of her illegally sold son, Peter.
Sojourner Truth
This politician brokered so many deals in the antebellum era that he was nicknamed, "The Great Compromiser".
Henry Clay
This president not only ran on the promise of fulfilling Manifest Destiny, he actually pulled it off.
James K. Polk
The attack on this South Carolina stronghold opened the fighting in the Civil War on April 12, 1861.
Fort Sumter
According to this law, there was to be no slavery north of Missouri's southern border after 1820.
Missouri Compromise
Abolitionist John Brown raided the federal weapons armory in this town, which is located in present-day West Virginia.
Harper's Ferry
There was no compromising from slave states when a Pennsylvania congressman proposed this law, which would have banned slavery in territory won from the Mexican-American War.
Wilmot Proviso
This Mississippi politician was elected as the first (and only) president of the Confederate States of America on November 6, 1861.
Jefferson Davis
The annexation of this territory into the United States in 1845 led to the Mexican-American War.
Texas
This idea said that states could void or invalidate laws made by Congress that they considered unconstitutional.
Theory of Nullification
This anti-slavery novel was so popular, the only book that outsold it during the 19th century was the Bible.
Uncle Tom's Cabin
These two federal territories were granted popular sovereignty in the Compromise of 1850.
Utah and New Mexico
The creator of the Theory of Nullification, this man resigned as Vice President of the United States over tariffs.
John C. Calhoun
These were the two free states or territories lived in by Dred Scott, leading him to sue for his freedom in 1846.
Illinois and Wisconsin
This agreement allowed the United States to gain lands that would eventually become parts of Arizona and New Mexico, completing the territory that is today known as the lower 48 or contiguous states.
Gadsden Purchase