Final answer:
Engineering is the subject that deals with using machines and systems to move people and cargo. It involves the design and development of various transportation vehicles and infrastructure.
Step-by-step explanation:
Engineering and Transportation
The subject that deals with using machines and systems to move people and cargo is engineering. Engineering involves the design, development, and application of various machines and systems to solve practical problems. In the context of transportation, engineers design and build vehicles, such as cars, trains, ships, and airplanes, as well as the infrastructure, such as roads, bridges, and railways, that supports their movement. By integrating scientific and mathematical principles, engineers create efficient transportation systems that enable the safe and rapid movement of people and goods.