Articles

ERA 7: The Emergence of Modern America (1890–1930)
ERA 8: The Great Depression and World War II (1929–1945)
ERA 9: Postwar United States (1945 to early 1970's)
ERA 7: The Emergence of Modern America (1890–1930)
ERA 9: Postwar United States (1945 to early 1970's)
ERA 8: The Great Depression and World War II (1929–1945)
ERA 10: Contemporary United States (1968 to the present)

Historical Documents

The Original Social Security Act
ERA 8: The Great Depression and World War II (1929–1945)
Patsy Murr, first grader at Fulton School in Lancaster, Pa., gets her Salk shot from Dr. Norman E. Snyder as she is held by Mrs. Walter Sourweine, April 25, 1955. Others view the proceedings with mixed emotions
ERA 9: Postwar United States (1945 to early 1970's)