which form of transportation has led to more efficient business in a global market?\nhelicopters\nhigh…

Brief Explanations:

Cargo ships can carry large - volume goods across long distances at a relatively low cost, which is crucial for global business operations. They enable the mass - scale movement of products between countries and continents, facilitating international trade and making business more efficient in the global market. Helicopters are mainly used for short - distance or specialized transport, high - speed trains are mainly for passenger transport or regional freight in some cases, and tractor trailers are more for land - based regional transport.

Answer:

D. cargo ships