In 1914, a new kind of war came about, bringing with it a new kind of world. World War One began on horseback, with generals employing bayonet charges to gain ground, and ended with attacks resembling the Nazi blitzkriegs . The scale of devastation was unlike anything the world had seen before: Fourteen million combatants died, a further twenty million were wounded, and four empires were destroyed. Even the victors' empires were fatally damaged. An...