The main factors involved in an accident are...
A)the road and its environment.
B)the vehicle and its load.
C)the road and its environment, the vehicle, and the human factor.Correct
Every traffic situation is complex, but at least three main elements can always be distinguished: the vehicle, the road and its environment, and the driver. The numerous factors involved in an accident can be grouped according to their relationship, to a greater or lesser extent, with each of these elements.