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Chokepoints of world shipping

Most world trade travels by sea, and much of it squeezes through a few narrow passages such as the Strait of Malacca, the Suez Canal and the Panama Canal. Because so many ships pass through these chokepoints, a blockage there can disrupt trade around the globe.

In the picture

  1. A narrow strait: many container ships pass through in single file
  2. A canal lock: lifts ships over land to link two oceans
  3. Open ocean: wide, with relatively few ships spread out
  4. A seabed cable: carries the data that coordinates global trade

Examples

  • A phone made in Asia reaches a European shop on a ship that probably passed through Suez or Malacca.
  • When a ship got stuck in the Suez Canal in 2021, deliveries were delayed worldwide.

Quiz: Chokepoints of world shipping (Age 18)

  1. Roughly what share of world goods, by volume, travels by sea?

    • About 80%
    • About 50%
    • About 20%
  2. Why can a blockage in a canal or strait disrupt trade around the whole world?

    • Ships can only refuel at these places
    • So many ships squeeze through these few narrow passages that a blockage stops a huge share of traffic
    • Only oil tankers use these passages
  3. Which of these groups names three major chokepoints of world shipping?

    • The Pacific, Atlantic and Indian oceans
    • The Malacca Strait, the Suez Canal and the Panama Canal
    • The Suez Canal, the Panama Canal and the North Sea

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Geography, Age 18