New Books in Japanese Studies

Dropping the atomic bombs on Japan during World War II was, arguably, the most controversial decision of the 20th century. The responsibility for that “decision” has logically fallen on US President Harry S. Truman. But in The Most Awful Responsibility: Truman and the Secret Struggle for Control of the Atomic Age (Harper, 2025), Alex Wellerstein argues that Truman's actual decision wasn’t what everyone thinks it was.

The conventional narrative is that American leaders had a choice: Invade Japan, which would have cost millions of Allied and Japanese lives, or instead, use the atom bomb in the hope of convincing Japan to surrender. Truman, the story goes, carefully weighed the pros and cons before deciding that the atomic bomb would be used against Japanese cities, as the lesser of two evils.

But nuclear historian Alex Wellerstein argues that is not what happened.

Not only did Truman not take part in the decision to use the bomb, but the one major decision that he did make was a very different one — one that he himself did not fully understand until after the atomic bomb was used. The weight of that decision, and that misunderstanding, became the major reason that atomic bombs have not been used again since World War II.

Based on a close reading of the historical record, The Most Awful Responsibility shows that, despite his reputation as an ardent defender of the atomic bomb, Truman:

Wanted to avoid the “murder” and “slaughter” of innocent civilians

Believed that the atomic bomb should never be used again

Hoped that nuclear weapons would be outlawed in his lifetime

Wellerstein makes a startling case that Truman was possibly the most anti-nuclear American president of the twentieth century, but his ambitions were strongly constrained by the domestic and international politics of the postwar world and the early Cold War. This book is a must-read for all who want to truly understand not only why the bomb was dropped on Japan but also why it has not been used since.

Dr. Andrew O. Pace is a historian of the US in the world who specializes in the fog of war. He is currently a DPAA Research Partner Fellow at the University of Southern Mississippi and a co-host of the Diplomatic History Channel on the New Books Network. He is also working on his first book which examines why the United States pursued victory at practically all costs during World War II. He can be reached at [email protected] or here. Andrew is not an employee of DPAA, he supports DPAA through a partnership. The views presented are those of the author and do not necessarily represent the views of DPAA, DoD or its components. 
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The various words for “divorce” in Japanese—rien, enkiri, fūfu wakare, rikon—reflect how the socially constructed institutions of marriage and family, along with their dissolutions, have been understood in Japanese history and jurisprudence. Employing a broad definition of divorce as the end of a romantic union sanctioned by law, social custom, or mutual agreement, Bold Breaks: Japanese Women and Literary Narratives of Divorce explores the shifting attitudes toward divorce in literature by women from the Heian (794–1185) to Heisei (1989–2019) periods.

The collection features writing by renowned authors Tamura Toshiko (1884–1945), Uno Chiyo (1897–1996), and Tsushima Yūko (1947–2016), who used divorce as a literary device to enable their female protagonists to take bold steps toward new lives. A coda explores more contemporary views on marriage, divorce, and romantic love in the work of novelists Itoyama Akiko (1966–) and Kawakami Mieko (1976–) and poet Saihate Tahi (1986–). A wide-ranging introduction provides an overview of the historical, legal, and literary significance of divorce in Japan. The translated texts, appearing in English for the first time, are accompanied by essays introducing the authors and offering brief analyses.

Bold Breaks will appeal to students and scholars of Japanese literature and culture, particularly those interested in gender issues and family social practices, and will enrich the growing conversation on marriage and divorce across cultures and eras.
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Ines Prodöhl’s Globalizing the Soybean: Fat, Feed, and Sometimes Food, c. 1900-1950 (Routledge, 2023) is a history of how, why, and where the soybean became a critical ingredient in industry and agriculture in the first half of the twentieth century. Focusing on Japanese-dominated Manchuria, Germany, and the United States, Prodöhl shows that the soybean was a serendipitous solution to numerous and varied crises from the beginning of the century into the post-WWII decades. This story of imperialism, globalization, and technology begins in northeast China, the world’s soy cultivation center until the 1940s. It takes us to Germany, the number one importer of soybeans in the interwar period, and illuminates the various ways in which soy was integrated into the economy especially after the end of WWI as both an invaluable oilseed for industry and a source of protein-rich fodder for agriculture. Finally, Prodöhl explores how the United States first adopted the soybean mostly as a solution to overtaxed soils. Mixing economic, ecological, political, and technological/scientific history with a keen sense of the materiality of soy as a global product, Globalizing the Soybean is an accessible and enlightening book that will appeal to multiple audiences.
This book is available open access here.
This episode was recorded in person in the studios of Media City Bergen with technical assistance from Frode Ims.
Nathan Hopson is an associate professor of Japanese language and history in the University of Bergen's Department of Foreign Languages.
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Florentine Koppenborg’s Japan’s Nuclear Disaster and the Politics of Safety Governance (Cornell UP, 2023) begins with the understated observation that the triple disaster of March 2011 “exposed severe deficiencies in Japan’s nuclear safety governance.” This is the starting point for the rather curious story of the regulatory reforms taken up in the wake of the Fukushima disaster and how they created a new system with a strong independent nuclear safety regulator that has refused to back down even as the political tides have changed, and what this has meant for energy policy in Japan in the past dozen years. Koppenborg’s history of nuclear power regulation in Japan also seriously considers the implications of this dramatic break for regimes in other countries. This case study provides a complex and thought-provoking contribution to discussions of the role of nuclear power and independent regulation in global efforts to decarbonize our energy supply.
Nathan Hopson is an associate professor of Japanese language and history in the University of Bergen's Department of Foreign Languages.
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Cooperative Evangelist: Kagawa Toyohiko and His World, 1888-1960 (University of Hawai’i Press, 2025) by Bo Tao uncovers the extraordinary world of a Japanese man who was once described as the “Saint Francis” or the “Gandhi” of Japan. A renowned religious figure on the world stage, Kagawa Toyohiko (1888–1960) received wide acclaim for his work as a street preacher in the slums of Kobe as well as his espousal of nonviolent methods of social reform. His reputation as a pacifist figure, however, rested uneasily with his wartime actions, which became increasingly supportive of the Japanese government and its expansionist policies. Reluctant to speak up against Japan’s increasing aggression in the late 1930s, he emerged as a full-blown apologist during the Pacific War, appearing on several Radio Tokyo broadcasts as a propagandist defending the interests of the state.

Adopting a transnational approach that accounts for the rapid flow of information between Japan and the United States, Bo Tao examines the career of Kagawa as it unfolded within the context of the wars, imperialism, and economic depression of the early to mid-twentieth century. Using official documents and personal correspondence that have received scant attention in previous works, Tao reveals, for the first time at this level of detail, the extent of Kagawa’s cooperative relationship with the Japanese government, as well as the ways in which his idealized image was carefully constructed by his ardent missionary supporters.

This book provides a window into the global dimensions of broader cultural shifts during the interwar period, such as the rise of Christian internationalism and the Depression-era popularity of cooperative economics. Offering a holistic and nuanced exploration of the tensions resulting from Kagawa’s hybrid identity as a Japanese Christian, Cooperative Evangelist adds a new layer to our understanding of religion, empire, and politics in the shaping of social and international relations.

Bo Tao is Lecturer in the College of Liberal Arts and Sciences at Chiba University in Chiba, Japan. His research interests include global history, U.S.-Japan relations, religion and politics, modern Japanese history, and the history of Christianity.

Shatrunjay Mall is a PhD Candidate in the Department of History at the University of Wisconsin–Madison. He works on transnational Asian history, and his dissertation explores intellectual, political, and cultural intersections and affinities that emerged between Indian anti-colonialism and imperial Japan in the twentieth century.
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