The British Royal Navy switched from coal to oil, and suddenly the defense of an island nation depended entirely on controlling foreign territory thousands of miles away. This episode traces the full arc of the Mesopotamian Campaign from 1914 to 1918 — a four-year struggle across Ottoman Iraq triggered by Britain's urgent need to protect the Anglo-Persian oil fields and the petroleum-derived toluol essential for every artillery shell on the Western Front. We follow the British Indian Expeditionary Force from early lopsided victories at Fao and Basra through the dangerous mission creep that followed, as politicians in London desperate for headlines pushed forces 100 miles beyond their supply lines toward Baghdad against explicit military warnings.

The Siege of Kut al-Amara is the devastating centerpiece. We detail the five-month encirclement ...