When the First World War broke out, no one could have guessed its eventual scale and the impact it would have on the world. But where was the world before war, and what were the military capabilities of its main aggressors when war broke out? A new kind of world and a new kind of war. The Great War In Numbers tells the story of ammunition, guns, ships, aircraft and men that will die in their millions. A war fought by calculating generals for which no cost is too high.