Concept:The busiest ocean trade route is the one that handles the greatest volume of cargo and ship movement across the world.
Explanation:The North Atlantic route links the major industrial and commercial zones of North America and Europe.
This route supports the heaviest flow of trade, passengers, and shipping traffic globally.
It connects important ports and economic hubs on both sides of the Atlantic Ocean.
As a result, it records the highest number of voyages and the largest exchange of goods.
Other important routes, such as the Suez Canal route, the Cape route, and the Mozambique Channel, carry less traffic in comparison.
Therefore, the North Atlantic route remains the busiest ocean trade route in the world.
Answer:C. North Atlantic route