An Act to Organize the Territories of Nebraska and Kansas

Atlases - History Department at the United States Military Academy - Mexican War Maps

Charting North America: Maps from the Lawrence H. Slaughter Collection and Others

Cherokee Nation v. the State of Georgia, 1831

The Chinese in Califormia, 1850-1925

Compromise of 1850 (1850)

David Rumsey Map Collection

DredScott Sandford (1857)

The Emergence of Advertising in America: 1850-1920

Evolution of the Conservation Movement, 1850-1920

15th Amendment to the Constitution (1870)

14th Amendment to the Constitution (1868)

Frederick Law Olmsted A journey in the Seaboard States (1856)

The Frontier In American History

Gadsden Purchase Treaty : December 30, 1853

A Guide to the Mexican War

The Hard Road to Texas

Hispanic-Heritage Links (Enlaces a documentos acerca de herencia hispana) Western Exploration and Expansion

Indian Removal Act (1830)

John Brown's Holy War (PBS)

John L. O'Sullivan on Manifest Destiny, 1839

Kansas-Nebraska Act (1854)

Letter from the Commandancy of the Alamo (1836)

Manifest Destiny and Expansion in the Americas

The Mexican-American War, 1846-1848, PBS

The Mexican-American War Memorial Homepage This site is sponsored by the Universidad Nacional Autonoma de Mexico and is available in English and Spanish.

The Mexican War

Military Resources: Mexican War, 1846-1848

Missouri Compromise (1820)

Monroe Doctrine (1823)

Morrill Act (1862)

Music for the Nation: American Sheet Music, ca. 1820-1860

National Expansion and Reform, 1850-1880

Nullification Proclamation (1832)

Perry-Castañeda Library Map Collection Historical Maps of the United States

Pioneering the Upper MidWest: Books from Michigan, Minnesota, Wisconsin, ca. 1820-1910

Pony Express

Railroad Maps 1828-1900

Schurz, Carl, "Manifest Destiny," Harper's New Monthly Magazine , vol. 87, issue 521 (October, 1893).

The Significance of the Frontier in American History, 1893

Texas - From Independence to Annexation

13th Amendment to the Constitution (1865)

The Treaty of Guadalupe Hidalgo

Treaty of Guadalupe Hidalgo (1848)

The Treaty of Guadaloupe Hidalgo, 2 Feb 1848

Treaty of Velasco : 14 May 1836

Treaty with Russia for the Purchase of Alaska (1867)

U.S.-Mexican War A site rich in the history of the war, by the Descendants of Mexican War Veterans. Read battle plans and orders, peruse letters, and see images of the war and veterans.

United States Foreign Policy Timeline

U.S. Mexican War, 1846-1848 Interactive Timeline Map (PBS)

U.S. Mexican War, 1846-1848 (PBS)

U.S.-Mexican War: The Zachary Taylor Encampment in Corpus Christi

Votes for Women Suffrage Pictures, 1850-1920

War Message of President Polk, May 11, 1846

The World of 1898: The Spanish American War

WWW-VL: The American West: Manifest Destiny