When Harry Truman learned of the success of the Manhattan Project, he knew he was faced with a decision of unprecedented gravity. The capacity to end the war with Japan was in his hands, but it would involve unleashing the most terrible weapon ever known.

This collection uses primary sources to explore the Atomic Bomb and the Nuclear Age it started. Digital Public Library of America Primary Source Sets are designed to help students develop their critical thinking skills and draw diverse material from libraries, archives, and museums across the United States. Each set includes an overview, ten to fifteen primary sources, links to related resources, and a teaching guide. These sets were created and reviewed by the teachers on the DPLA's Education Advisory Committee.

" This seminar examines the history and legacy of the Cold War on American science. It explores scientist's new political roles after World War II, ranging from elite policy makers in the nuclear age to victims of domestic anti Communism. It also examines the changing institutions in which the physical sciences and social sciences were conducted during the postwar decades, investigating possible epistemic effects on forms of knowledge. The subject closes by considering the place of science in the post-Cold War era."

President Truman was faced with the daunting decision of using the new atomic bomb during WWII to end the war. He considered a number of options before deciding to use the bomb. Was this the right decision? Was President Truman 's decision justified? Should he have used one of his other options....?

U.S. History is designed for a two-semester American history sequence. It is traditional in coverage, following a roughly chronological outline, and using a balanced approach that includes political, economic, social, and cultural developments. At the same time, the book includes a number of innovative and interactive features designed to enhance student learning. Instructors can also customize the book, adapting it to the approach that works best in their classroom.