Every state has two maps. The first shows borders and capitals. The second — made of listening stations, dual-use ports, undersea cables and algorithms — determines what a country can actually see, defend and survive. This is the map where the next crisis will be decided before the first shot is fired.

For a week in 2021, one stuck ship in the Suez Canal exposed how fragile global trade really is. Five years later, a war in the Gulf, a drought in Panama and a rare-earth standoff with China have shown the same lesson at full scale: the world's flows all pass through a handful of narrow, breakable points.