Answer:
B. The internet of things
Explanation:
The internet of things will someday make the scenario presented in the question become a possibility.
The internet of things is a system of interrelated computing devices, mechanical and digital device composed of unique identifiers that enables the transfer of data over a network without requiring human to human interaction or even human to computer interaction. Thus, like in this case, connections between cargo vessels and transport network without the human factor will be a possibility because of internet of things.
What the internet of things does is that it allows closed private internet connections to communicate with others while bringing those networks together. It refers to the billions of devices around the world that are connected to the internet.