The "Pacific War" narrative of Japan's defeat that was established after 1945 started with the attack on Pearl Harbor, detailed the U.S. island-hopping campaigns across the Western Pacific, and culminated in the atomic bombings of Hiroshima and Nagasaki, Japan's capitulation, and its recasting as the western shore of an American ocean. But in the decades leading up to World War II and over the course of the conflict, Japan's leaders and citizens...