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

Historical Documents

Thoreau
ERA 4: Expansion and Reform (1801-1861)
American Progress
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), Multiple Eras
Molefi Kete Asante
ERA 4: Expansion and Reform (1801-1861), ERA 10: Contemporary United States (1968 to the present)
ERA 4: Expansion and Reform (1801-1861)
Map showing American territorial gains
ERA 4: Expansion and Reform (1801-1861)
Letters from An American Farmer
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)
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)
John Adams
ERA 4: Expansion and Reform (1801-1861)
Adams Letter
ERA 4: Expansion and Reform (1801-1861)
ERA 4: Expansion and Reform (1801-1861)
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 Demos
ERA 4: Expansion and Reform (1801-1861)

Historical Images