OpenStax
Open Stax: The Mexican American War, 1846 1848
After reading this section of a chapter on "Westward Expansion," students will be able to identify the causes of the Mexican-American War and describe the outcomes of the war in 1848 and the effect of the California Gold Rush on westward...
Henry J. Sage
Sage American History: The Republic of Texas and the Mexican American War
Article on the history of Texas framed in a discussion of Spanish colonization to help readers better understand events leading to the Mexican-American War. With bullet pointed facts and links to primary source material.
Utah Education Network
Uen: Themepark: Liberty: Mexican American War
Find a large collection of internet resources organized around the Mexican American War. Links to places to go, people to see, things to do, teacher resources, and bibliographies.
A&E Television
History.com: Mexican American War
Review the events leading up to, through, and ending the Mexican-American War of the mid-19th century.
Khan Academy
Khan Academy: Us History: 1844 1877: The Mexican American War
A quick comprehension check over the Mexican-American War.
History of American Wars
History of American Wars: Mexican American History: Mexican American War
Discusses the events of the Mexican-American War from 1846-1848.
Museum of the City of San Francisco
The Virtual Museum of the City of San Francisco: The Mexican American War
The Virtual Museum of the City of San Francisco displays the history of the Mexican-American War, including an explanation of border changes in the California and Mexico areas. It also discusses the idea of Manifest Destiny.
Virginia Tech
Virginia Tech: The Mexican American War and the Media, 1845 1848
A collection of newspaper articles, images, timelines, and bibliographies related to the Mexican-American War.
History of American Wars
History of American Wars: Mexican American War Timeline 1846 1848
A timeline showing the events between 1821 and 1845 that led up to the Mexican-American War, followed by one with the major events of the war from 1846 to 1848.
Siteseen
Siteseen: American Historama: Mexican American War
Summarizes the causes of the Mexican American war and provides facts about the history, famous people, and events surrounding it.
Henry J. Sage
Sage American History: Expansion and War: The United States 1840 1860
Article on the era of westward expansion and the resulting Mexican American War. The author demonstrates how Manifest Destiny and frontier settlement led to the annexation of Texas and ultimately war with Mexico over the territory.
Ducksters
Ducksters: History: Mexican American War for Kids
Kids learn about the Mexican-American War fought over the land rights to Texas after the Texan Revolution on this site.
Curated OER
Etc: The Mexican American War, 1846 1848
A map of Mexico and southwestern United States showing the seat of war during the Mexican-American War (1846-1848). The map shows the campaign routes of Kearney, Taylor, Doniphan, Wool, and Scott, with battle sites indicated by...
Curated OER
Etc: Route of the Us Army in Mexican American War, 1846 1848
A map of the area between Mexico City and Vera Cruz showing the route of General Scott during his campaign in the Mexican-American War (1847). The map shows the battle sites, including the siege of Fort San Juan de Ulloa and Vera Cruz,...
Digital History
Digital History: War With Mexico [Pdf]
Read about the reasons President James Polk presented to Congress as justification for a declaration of war against Mexico. Find Polk's war message and the rebuttal by Congressman Davis.
Curated OER
Educational Technology Clearinghouse: Maps Etc: The Mexican War, 1846 1848
A map of Mexico and southern United States showing the campaigns and battle sites of the Mexican-American War (1846-1848). The map shows the routes of Taylor, Wool, Kearny, Doniphan, and Scott, the pre-war boundaries of the United States...
Curated OER
Educational Technology Clearinghouse: Maps Etc: The Mexican War, 1846 1848
A map of central Mexico and southern United States showing the important cities and battle sites of the Mexican-American War (1846-1848). The map shows the rivers of the contested boundaries that led to the war, the Rio Grande del Norte...
Siteseen
Siteseen: American Historama: 1848 Treaty of Guadalupe Hidalgo
Learn interesting facts about the Treaty of Guadalupe Hidalgo that ended the American Mexican War (1846-1848).
Digital History
Digital History: War Fever and Antiwar Protests
What started out as a prowar inclination of American citizens at the beginning of the Mexican War soon deteriorated. Read about the opposition of politicians, clergymen, and intellectuals to the reasoning for the war, and later for the...
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
Etc: The Mexican War the Golden Gate , 1846 1848
A map of the Golden Gate and San Francisco Bay area showing sites during the Mexican-American War (1846-1848), including San Francisco (Yerba Buena at the time), San Leandro, San Rafael, San Mateo, San Jose, and the Sacramento River.
Curated OER
Educational Technology Clearinghouse: Maps Etc: The Mexican War, 1803 1848
A map of northern and central Mexico and southern United states showing the area of conflict during the Mexican-American War (1846-1848). The map shows the Mexican boundary (under Spain) established by the Louisiana Purchase (1803)...
Curated OER
Educational Technology Clearinghouse: Maps Etc: War With Mexico, 1846 1848
A map of Mexico and southern United States showing the campaigns and battle sites of the Mexican-American War (1846-1848). The map shows the territory acquired from Mexico after the war, and the routes of Taylor, Wool, Kearny, Doniphan,...
Curated OER
Educational Technology Clearinghouse: Maps Etc: War With Mexico, 1846 1848
A map of Mexico and southern United States showing the campaigns and battle sites of the Mexican-American War (1846-1848). The map shows the routes of Taylor, Wool, Kearny, Doniphan, and Scott, the pre-war boundaries of the United States...