Final answer:
The subject of this question is Driver's Education, specifically related to yielding in different situations.
Step-by-step explanation:
The subject of this question is Driver's Education. It pertains to the rules and regulations of driving, specifically related to yielding to certain situations.
A. When a vehicle approaches an intersection where there is a stop sign facing the driver, they must yield.
B. When a pedestrian is in a marked crosswalk, drivers must yield to them.
C. When a blind person carrying a white cane or using a guide dog enters an intersection, drivers must yield to them.