Was there any true justification for the atomic bombing of Hiroshima and Nagasaki? To answer to this question, Master Ryuho Okawa conducted spiritual interviews with Harry S. Truman and Franklin D. Roosevelt, the two presidents who presided over the United States' participation in World War II. Could anything justify the use of nuclear weapons on civilians? Was Pearl Harbor really a sneak attack, or did Franklin Roosevelt know of it beforehand? This book reveals valuable information that will help the world gain a truthful understanding of world history.