Digital History
Digital History: America's Manifest Destiny [Pdf]
After a brief discussion of Manifest Destiny in other parts of country, read about the Texas rebellion against Mexico, the battles against Santa Anna, and the treaties that made Texas an independent country. [pdf]
Independence Hall Association
U.s. History: The Lone Star Republic
Why did Mexico encourage settlement of Americans in Texas? Why did the Americans chafe under Mexican rule? Find out how this led to the Texas Revolution and the declaration of Texas as an independent country.
Annenberg Foundation
Annenberg Learner: United States History Map: The Nation Expands
After examining a map showing the expansion of the United States, click to read about each addition to the country and see where that addition is. Play Expansion Concentration to test your skills.
US Department of State
U.s. Department of State: Office of the Historian: Milestones: 1830 1860
Concisely written accounts of three important events in the history and shaping of Texas: the Annexation of Texas, the Mexican-American War, and the Treaty of Guadalupe-Hidalgo.
Independence Hall Association
U.s. History: "American Blood on American Soil"
President James Polk's desire was for the United States to stretch from sea to shining sea. See what happened when his overatures to Mexico to buy the land north of the Rio Grande River were spurned. Take a brief vote to see if Polk was...
Curated OER
Perry Castaneda Map Collection: Admission of States and Territorial Acquisitions
Here's a map to show you when states were added to the Union. It also shows territories and when they were acquired.