Khan Academy
Khan Academy: Us History: 1844 1877: Annexing Texas
Quickly following Texan independence, the United States admitted Texas into the republic as a slave state.
iCivics
I Civics: Mexican Cession (1848)
Students explore the causes and effects of the Mexican-American war. They will learn about the land was obtained as a result, the Treaty of Guadalupe Hidalgo, the Gadsen Purchase of 1853, and the new international borders.
Oakland Museum of California
Gold Rush: California on the Eve Californios
This resource presents information about the Spanish influence in California before the Gold Rush.
Siteseen
Siteseen: American Historama: The Compromise of 1850
Comprehensive summary features detailed facts and information on The Compromise of 1850 that was trying to smooth out differences between the slave states and the free states.