Final answer:
Four-wheel/All-wheel drive (4WD/AWD) systems are designed to provide power to all four wheels of a vehicle simultaneously, improving traction and handling.
Step-by-step explanation:
The correct answer is A) A system that powers all four wheels of a vehicle simultaneously. Four-wheel/All-wheel drive (4WD/AWD) systems are designed to provide power to all four wheels of a vehicle at the same time, improving traction and handling. This is particularly useful in off-road or snowy conditions.