Applied Operations Mgt. Afflictions - Psych. It includes insight and some facts as to why we went to war, who was involved, and what some of the outcomes were. It also describes some of the losses suffered by the various countries involved, and what motivated them to act as they did.
Bibliography cites several sources.
World War II was a total war. It involved the American Allies and their enemies, the Germans and the Japanese. Germany did not adhere to the Geneva Conventions, they tortured and brutalized and executed thousands of people. America hated the Germans for this, but they were not as much of a threat to the Americans as were the Japanese. Japan sent kamikaze pilots to bomb Pearl Harbor, Hawaii, thus propelling the Japanese people into a war in the Pacific with America.