Online Resources


National Center for History in the Schools, UCLA
National History Standards

United States Era 4

Standard 1

United States territorial expansion between 1801 and1861, and how it affected relations with external powers and Native Americans

Standard 1C

Explain the causes of the Texas War for Independence and the Mexican-American War and evaluate the provisions and consequences of the Treaty of Guadalupe Hidalgo. (Analyze multiple causation)

Analyze different perspectives on the Mexican American War. (Consider multiple perspectives)


State of Texas
Texas Education Agency, Texas Essential Knowledge and Skills

7th Grade
7.4.C
identify individuals, events, and issues during early Texas statehood, including the U.S.. Mexican War, the Treaty of Guadalupe-Hidalgo, population growth, and the Compromise of 1850.

8th Grade
8.6.D
explain the causes and effects of the U.S.-Mexican War and their impact on the United States


Descendents of Mexican War Veterans (DMWV) - The DMWV is a non-profit, non-political, national lineage society. Members are descendants of both regular and volunteer officers, enlisted men, and civilian employees.


Guide to the Mexican War - A guide for locating U.S. - Mexico War materials in the Library of Congress digital collections. It points to specific documents, books, articles, and other primary source materials. It also provides lists of resources such as websites and books.


Mexican American War - Created by Northern Illinois University, this site contains digitized images, audio files, and text related to the U.S. - Mexico War.


The Mexican-American War and the Media, 1845-1848 - This website provides links to transcriptions of newspaper articles, indexes, images, bibliographies, timelines, and official documents related to the 1846-1848 war between the United States and Mexico.


U.S. Mexican War: 1846-1848 - This site is a companion to the PBS documentary The U.S. Mexican War. The website provides rich context and historical information about the war, including pre-war and post-war events It also contains an interactive timeline, video clips, essays, lesson plans, and primary source materials.


U.S. - Mexican War: A Concise History - Created by the Descendents of Mexican War Veterans, this site provides links to scanned primary sources, brief historical outlines, statistics, and bibliographies.