Part I. Ideas The war in a classical context Grievances, agendas, and methods Old, new, and strange alliances Part II. Air The air power revolution From Poland to the Pacific New terrors from above Part III. Water Ships and strategies From the Atlantic to the Mediterranean A vast ocean Part IV. Earth The primacy of infantry Soldiers and armies The western and eastern wars for the continent Armies abroad Sieges Part V. Fire Tanks and artillery People Supreme command The warlords The workers The dead Part VII. Ends Why and what did the Allies win?