[5][6] In a review for The Journal of Asian Studies, Roy Richard Grinker, a Professor of Anthropology at George Washington University, called it "a coherent, well-argued, and well-researched study of Korea nationalism", but he deplored, "This book is not long, yet the scope is so extensive that it demands more detailed and wide-ranging analyses that might complicate her arguments.

[5] In a review for Pacific Affairs, Chiho Sawada also criticized the book for being too short (only 140 pages), but he added that it was "an excellent text for courses on not only Korea but postcolonial histories and national/gender identities.

[8] In a review for The China Quarterly, Parks M. Coble, a professor of history at the University of Nebraska–Lincoln, concludes that, contrary to Europe, there is no common thread between the Asian nations analyzed in this volume.

"[10] In The Journal of Japanese Studies, Christopher Goto-Jones of Leiden University highlights Mitter and Jager's "attempt to wrestle the question of war memory away from its near exclusive focus on the singular rupture represented by Japan's defeat in 1945"; instead, they attempt to show how "the continuously shifting international environment impacts the formation (and utility)[clarification needed] of national (and transnational and subnational) narratives.

[14][15] The book covered the history of the Korean peninsula from its liberation in 1945 to 2012, portraying the confrontation between the two Koreas as a competition for legitimacy.

[19] Brothers at War was chosen as one of three Best International Relations Books of the Year in the Asia and the Pacific category by Foreign Affairs.

[20] A Dutch translation was published in 2020 by Omniboek under the title Broederstrijd in Korea: Het oneindige conflict tussen Noord en Zuid.

The publisher described it as "A dramatic new telling of the dawn of modern East Asia, placing Korea at the center of a transformed world order wrought by imperial greed and devastating wars.

He would wait at the train station in Groningen and then escort the children either to the address he had found or, temporarily, to his home until a permanent place could be located.

Hendrik and Geesje lived in Hoogezand, Groningen, and had two sons, Henk and Bernd, who regarded Greetje as a sister.

On October 10, 1996, Yad Vashem recognized Hendrik Jager and his wife, Geesje Jager-ten Brinke, as Righteous Among the Nations.