Chapter II: Part III: The Balkans

XXIV. Rumania's Military Strength 95

XXV. Hostilities Begin 96

XXVI. Bulgaria Attacks 98

XXVII. The Germans Arrive 103

XXVIII. The Rumanian Raid Across the Danube 106

XXIX. Mackensen Pressed Back 111

XXX. The Rumanians Pressed Back 113

XXXI. The Battle of the River Argechu 117

XXXII. Bucharest Falls 119

XXXIII. Sarrail's Offensive 124

XXXIV. Unrest in Greece 126

XXXV. A Greek Army Surrenders to Germany 129

XXXVI. The Serbians Advance 132

XXXVII. The Greeks on the Firing Line 134

XXXVIII. Seizure of the Greek Fleet 136

XXXIX. The Bulgarians Driven Back 138

XL. Monastir Falls 140

XLI. Greek Fights Greek 143

XLII. Fighting in the Streets of Athens 145

XLIII. The Serbians Checked 148

PART IV.--AUSTRO-ITALIAN FRONT

XLIV. The Fall of Goritz 149

XLV. Fall and Winter on the Austro-Italian Front 153

XLVI. Fighting on Mountain Peaks 159

PART V.--WAR IN THE AIR AND ON THE SEA

XLVII. Aeroplane Warfare 168

XLVIII. Zeppelin Raids 176

XLIX. Submarine Warfare 182

PART VI.--THE UNITED STATES AND THE BELLIGERENTS

L. The Old Menace 189

LI. The U-53's Exploits 194

LII. Gathering Clouds 200

LIII. Rupture With Germany 205

LIV. Nothing Settled 212

PART VII.--WESTERN FRONT

LV. The German Retreat on the Ancre 217

LVI. The German Retreat Continues--French Recover 120 Towns 227

LVII. The British Troops Capture Vimy Ridge and Monchy--French
Victories on the Aisne 239

LVIII. French Victories in Champagne--The British Capture
Bullecourt 252

LIX. The Battle of Messines Ridge--British Smash the
German Salient South of Ypres 263

LX. The Germans Defeat British on Belgian Coast--Intense
Fighting in the Champagne and at Verdun 276

PART VIII.--THE UNITED STATES AND GERMANY

LXI. The Interim 291

LXII. Berlin's Tactics 297

LXIII. Armed Neutrality 304

LXIV. Germany's Bid to Mexico 312

LXV. A State of War 317

LXVI. Building the War Machine 328

LXVII. Men and Money in Millions 344

LXVIII. Envoys from America's Allies 351

LXIX. In It at Last 356