Part 1 of 5 · freeIntroduction
Oil is not simply an energy source. It is the resource that has shaped world geopolitics most over the past century, and it still weighs on the balance of power today.
Its energy density and the ease of shipping it made it the engine of the industrial age, but also the trigger of crises and wars. Understanding oil means understanding why some countries grew so rich, and why others went to war over it.
The rest is in the Sophia app.The remaining parts, the open-book quiz and the full glossary. Free to start; Premium unlocks everything.
- 2Black gold wakes up, from Pennsylvania to the Gulf
- 3The birth of OPEC and the oil weapon
- 4The spiral of energy wars
- 5Modern upheavals and shale oil
Open-book quiz9 questions whose answers are in the text.
Glossary11 terms explained in a tap.
30 languagesThe same course, from French to Japanese.





