Moments in history

Explains why the United States dropped an atomic bomb on the Japanese city of Hiroshima during World War II, features excerpts from speeches, letters, diaries, and other primary source materials that provide insights into events, and includes photographs and opinions from historians.

Explains why the Vietnam War occurred and how the United States became involved, features excerpts from speeches, letters, diaries, and other primary source materials that provide insights into events, and includes photographs and opinions from historians.

Explains why the Nazis were able to gain power in Germany in the early twentieth century, features excerpts from speeches, letters, diaries, and other primary source materials that provide insights into the rise of the Nazis in the wake of World War I, and includes photographs and opinions from historians.

Explains why the Holocaust occurred in Germany during World War II, features excerpts from speeches, letters, diaries, and other primary source materials that provide insights into events, and includes photographs and opinions from historians.

Provides information about the causes of the Cold War, and includes speeches, letters, diary entries, and other primary source materials.