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Missouri Compromise
The Missouri Compromise is the title generally attached to the legislation passed by the 16th United States Congress -
Monroe Doctrine
The Monroe Doctrine was a United States policy of opposing European colonialism in The Americas -
Trail of Tears
The Trail of Tears was a series of forced removals of Native American nations from their ancestral homelands in the Southeastern United States to an area west of the Mississippi River that had been designated as Indian Territory. -
Battle of the Alamo
The Battle of the Alamo was a pivotal event in the Texas Revolution. Following a 13-day siege, Mexican troops under President General Antonio López de Santa Anna launched an assault on the Alamo Mission -
Panic of 1837
The Panic of 1837 was a financial crisis in the United States that touched off a major recession that lasted until the mid-1840s. Profits, prices, and wages went down while unemployment went up. Pessimism abounded during the time. -
Sutter's Fort
Sutter's Fort was a 19th-century agricultural and trade colony in the Mexican Alta California province. It was built in 1839 and originally called New Helvetia by its builder John Sutter. -
Pre-Emption Act
statute passed by the U.S. Congress in response to the demands of the Western states that squatters be allowed to preempt lands. -
Bear Flag Revolt
The California Republic was an unrecognized breakaway state that, for twenty-five days in 1846, militarily controlled the area to the north of the San Francisco Bay in the present-day state of California. -
US - Mexican War
The Mexican–American War, also known as the Mexican War and in Mexico the American intervention in Mexico, was an armed conflict between the United States of America and the United Mexican States from 1846 to 1848. -
Compromise of 1850
Senator Henry Clay introduced a series of resolutions on January 29, 1850, in an attempt to seek a compromise and avert a crisis between North and South. As part of the Compromise of 1850, the Fugitive Slave Act was amended and the slave trade in Washington, D.C., was abolished. -
Fugitive Slave Law
part of the Compromise of 1850 between Southern slave-holding interests and Northern Free-Solders. Abolitionists nicknamed it the "Bloodhound Law" for the dogs that were used to track down runaway slaves. -
Gadsden Purchase
The Gadsden Purchase is a 29,670-square-mile region of present-day southern Arizona and southwestern New Mexico that the United States purchased via a treaty signed on December 30, 1853, by James Gadsden, U.S. ambassador to Mexico at that time. -
Bleeding Kansas
Bleeding Kansas, Bloody Kansas or the Border War was a series of violent political confrontations in the United States between 1854 and 1861 involving anti-slavery "Free-Staters" and pro-slavery "Border Ruffian", or "southern" elements in Kansas. -
Dred Scott Decision
Dred Scott was an enslaved African American man in the United States who unsuccessfully sued for his freedom and that of his wife and their two daughters in the Dred Scott v. Sandford case of 1857 -
Harper's Ferry
a key site in an 1859 abolitionist raid. The location where the Potomac and Shenandoah rivers meet, known as The Point, offers views of Maryland and Virginia. -
Civil War (beginning and end dates)
The American Civil War was fought in the United States from 1861 to 1865. The result of a long-standing controversy over slavery, war broke out in April 1861, when Confederates attacked Fort Sumter -
Emancipation Proclamation
The Emancipation Proclamation, or Proclamation 95, was a presidential proclamation and executive order issued by President Abraham Lincoln on January 1, 1863. -
Gettsyburg
The Battle of Gettysburg was fought July 1–3, 1863, in and around the town of Gettysburg, Pennsylvania, by Union and Confederate forces during the American Civil War. -
Gettysburg Address
The Gettysburg Address is a speech by U.S. President Abraham Lincoln, one of the best-known in American history. -
13th Amendment
The Thirteenth Amendment was the United States Constitution abolished slavery and involuntary servitude, except as punishment for a crime. -
Civil War (beginning and end dates)
The American Civil War was fought in the United States from 1861 to 1865. The result of a long-standing controversy over slavery, war broke out in April 1861, when Confederates attacked Fort Sumter -
14th Amendment
The Fourteenth Amendment to the United States Constitution was adopted on July 9, 1868, as one of the Reconstruction Amendments. -
15th Amendment
The Fifteenth Amendment to the United States Constitution prohibits the federal and state governments from denying a citizen the right to vote based on that citizen's "race, color, or previous condition of servitude".