Question

which form of transportation has led to more efficient business in a global market?
helicopters
high - speed trains
tractor trailers
cargo ships

Explanation:

Cargo ships can carry massive volumes of goods at low cost across oceans, connecting global supply chains and enabling large-scale, cost-efficient international trade which drives efficiency in the global market. Other options have more limited range, capacity, or higher cost for global-scale business operations.

Answer:

cargo ships