The reading
Located, dated and sourced. Written to be evaluated, not memorised.
From the Strait of Hormuz story
| Chokepoint | What happened in 2026 | Cause |
|---|---|---|
| Strait of Hormuz | Iran disrupted traffic through the only sea route into the Persian Gulf | Conflict |
| Bab al-Mandab | The Houthi movement took control of the entrance to the Red Sea | Conflict |
| Rhine and Danube | Summer drought lowered river levels | Climate |
| Panama Canal | Traffic restricted by low water, made worse by El Niño | Climate |
| Arctic Ocean | First regularly scheduled commercial crossing, made possible by warming waters | Climate, then power |