Articles

ERA 4: Expansion and Reform (1801-1861)
ERA 4: Expansion and Reform (1801-1861)
ERA 4: Expansion and Reform (1801-1861)
ERA 4: Expansion and Reform (1801-1861)
ERA 4: Expansion and Reform (1801-1861)
ERA 4: Expansion and Reform (1801-1861)
ERA 4: Expansion and Reform (1801-1861)
ERA 4: Expansion and Reform (1801-1861)
ERA 4: Expansion and Reform (1801-1861)
ERA 4: Expansion and Reform (1801-1861)
ERA 4: Expansion and Reform (1801-1861)

Historical Documents

The Louisiana Purchase
ERA 4: Expansion and Reform (1801-1861)
ERA 4: Expansion and Reform (1801-1861)
William Styron
ERA 4: Expansion and Reform (1801-1861)
John F. Kennedy
ERA 4: Expansion and Reform (1801-1861), ERA 9: Postwar United States (1945 to early 1970's)
ERA 4: Expansion and Reform (1801-1861)
This map shows the land acquired through the Gadsden Purchase Treaty
ERA 4: Expansion and Reform (1801-1861), ERA 5: Civil War and Reconstruction (1850-1877)
John L. O'Sullivan
ERA 3: Revolution and the New Nation (1754–1820s), ERA 4: Expansion and Reform (1801-1861), ERA 5: Civil War and Reconstruction (1850-1877), ERA 6: The Development of the Industrial United States (1870-1900)
John Demos
ERA 4: Expansion and Reform (1801-1861)
ERA 4: Expansion and Reform (1801-1861)
Judiciary Act
ERA 3: Revolution and the New Nation (1754–1820s), ERA 4: Expansion and Reform (1801-1861)
Alexis de Tocqueville
ERA 3: Revolution and the New Nation (1754–1820s), ERA 4: Expansion and Reform (1801-1861), ERA 5: Civil War and Reconstruction (1850-1877), ERA 6: The Development of the Industrial United States (1870-1900)
Frederick J. Turner
ERA 4: Expansion and Reform (1801-1861)

Historical Images

Map of the Indian Tribes of North America
ERA 4: Expansion and Reform (1801-1861), ERA 6: The Development of the Industrial United States (1870-1900)

Collections

Benjamin Franklin, John Adams, and Thomas Jefferson
ERA 4: Expansion and Reform (1801-1861)
Chief Justice John Marshall
ERA 4: Expansion and Reform (1801-1861)