The limited wars of the absolute kings -- The rebirth of unlimited war -- Napoleonic warfare -- The theories of Clausewitz -- The influences of the Industrial Revolution -- The American Civil War, 1861-1865 -- Moltke, Foch, and Bloch -- The roots of Armageddon -- The conduct of World War I -- Lenin and the Russian Revolution -- Soviet revolutionary warfare -- The twenty years Armistice -- The conduct of World War II -- The problem of peace.