Concept:The busiest ocean trade route is the one that carries the highest volume of international shipping between major economic regions.
Explanation:The North Atlantic route connects North America and Western Europe.
These two regions are highly industrialised and have strong trade links.
Huge quantities of manufactured goods, raw materials, and passenger traffic move along this route every year.
Compared with the Suez Canal route, Cape route, and Mozambique Channel, the North Atlantic route carries far more traffic.
Therefore, it is regarded as the busiest ocean trade route in the world.
Answer:C. north atlantic route