Lewis & Clark
The (fictional) waterway from the Atlantic to the Pacific.
Northwest Passage
This issue led to controversy when Missouri wanted to become a state.
Slavery
The mission where 200 Texas independence fighters died.
The Alamo
The state that entered as a free state in the Compromise of 1850.
California
The year Texas joined the US and became a state.
1845
The name of Lewis & Clark's expedition.
In the Missouri Compromise, this state joined the US as a free state.
Maine
California, Nevada, Utah, Colorado, New Mexico, Arizona, Wyoming
The name of the treaty in which Spain gave up Florida.
The year of the Louisiana Purchase
1803
One goal of Lewis & Clark's expedition.
To find a route to the Pacific
To study plants, animals, and geography
To establish friendly relations with Native Americans
To map and explore the Louisiana Purchase
36 degrees 30 minutes north
The line above which slavery would be illegal in future western states
The River Mexico saw as the border between the US and Mexico
Nueces River
The plan that would have banned slavery in new land acquired from Mexico.
Wilmot Proviso
The year of the Mexican Cession.
1848
The name of the Shoshone woman who served as a translator and guide for Lewis & Clark.
Sacagawea
This proposed amendment called for a gradual end to slavery in Missouri.
The Tallmadge Amendment
The name of the treaty in which Mexico gave up the Mexican Cession and received $15 million.
Treaty of Guadalupe Hidalgo
The law that required northern states to return escaped slaves. It was strengthened by the Compromise of 1850.
Fugitive Slave Act
The year Florida was given to the US.
1819
The French trapper who helped the Corps of Discovery.
Toussaint Charbonneau
The president most closely associated with Manifest Destiny
James K. Polk
The American general who took Mexico City.
Winfield Scott
The term that meant Utah and New Mexico would get to vote on whether to allow slavery.
Popular Sovereignty
The year of the Gadsden Purchase.
1853