Examines the United States' role in World War I, including preparations for war, trench warfare, use of airplanes, major battles, and the results of the conflict.

Discusses the origins of the Cold War and its effects on Europe, Asia, and the United States, nuclear threats, detente, and the future of the relationship between Russia and the United States.

Profiles people who have been the driving force behind the most critical events of the Salem witch trials, including Heinrich Kramer, James Sprenger, Elizabeth Parris, Anne Putnam and Sarah Good.

Profiles people involved in the Vietnam War as soldiers, politicians, or protesters, including Lyndon Johnson, Ho Chi Minh, John McCain, and Abbie Hoffman.

Profiles people who were at the center of the industrial revolution, including railroad pioneer George Stephenson, textiles industrialist Samuel Slater, and labor leader Samuel Gompers.