Why does container shipping reduce costs?

Question

(1 point)

It uses smaller ships that move goods faster, reducing labor costs per item.
It is an entirely sea-based system for the transportation of goods.

It uses large boxes that can be moved from one type of transportation to another.
It uses large ships which are energy efficient and often use renewable fuels.

Answer 1

It uses large boxes that can be moved from one type of transportation to another.