This economic system based on the exploitation of enslaved people was a major cause of the Civil War.
Slavery
The United States purchased the Louisiana Territory from this country in 1803.
France
This was the belief that the United States was destined to expand from coast to coast; this notion was fueled by this idea.
Manifest Destiny
This trail led American settlers from Missouri to Oregon in the 1800s.
Oregon Trail
Independence Rock
This political issue revolved around whether new states admitted to the Union would be free or allow slavery.
Popular Sovereignty
This U.S. President authorized the Louisiana Purchase.
Thomas Jefferson
This 1846 conflict between the United States and Mexico was fueled by the idea of Manifest Destiny.
Mexican American War
The Gold Rush in this state drew thousands of people westward in search of wealth.
Name one common hardship faced by travelers on the Oregon Trail.
Disease, accidents, bad weather, lack of food/water
This Supreme Court case in 1857 ruled that African Americans, whether free or enslaved, were not American citizens and could not sue in federal court.
Dred Scott Decision
The Louisiana Purchase doubled the size of the United States for this amount of money.
15 Million
This idea justified American expansion across the continent in the 1800s.
Spreading Democracy and Civilization.
This 1848 treaty ended the Mexican-American War and paved the way for significant westward expansion of the United States.
Treaty of Guadalupe Hidalgo
Many pioneers traveled the Oregon Trail in covered these types of wagons.
Covered Wagon
This event in 1861 marked the beginning of the Civil War.
Attack on Fort Sumter?
This American negotiator helped secure the Louisiana Purchase from France.
James Monroe
This 1845 slogan embodied the idea of Manifest Destiny and urged the acquisition of the Oregon Teritory.
Fifty Four Forty or Fight
This law signed in 1862 encouraged westward expansion by granting 160 acres of land to settlers who met certain requirements.
The Homestead Act
This landmark on the Oregon Trail marked the midpoint of the journey and served as a popular resting spot for pioneers.
Fort Laramie
This political party formed in the 1850s with the goal of stopping the spread of slavery into new territories.
Republican Party
The Louisiana Purchase was finalized in this city in 1803
New Orleans
This idea justified American expansion across the continent in the 1800s.
American Exceptionalism
President James K. Polk's campaign slogan in the 1844 election expressed the desire for expansion into this region.
Oregon
This famous missionary couple helped establish mission stations along the Oregon Trail to aid travelers.
Marcus and Narcissa Whitman