Purple
However, it’s difficult to appreciate fully the Big Picture without noting the advances in science and technology and in industrial production that loom large in the story of the war, too. Any full account of World War II is incomplete without knowledge of the development of radar and the atomic bomb, and the success in breaking the German Enigma system and the Japanese codes dubbed Magic) and Purple by the Allies, as well as other significant Axis codes and ciphers. Equally, perhaps even more important, were the breakthroughs in industrial organization that enabled the United States to produce hundreds of thousands of airplanes, ships, and tanks in record time.