At an intersection regulated by this sign, to whom must you yield?

A)To no vehicle, because this sign indicates that I am traveling on the road with priority.
B)Only to vehicles that have greater maneuvering difficulties.
C)To vehicles approaching from my right.Correct
This sign (P-1) warns of the danger of approaching an intersection with no specific signage regulating priority. Therefore, the general rule of right-of-way must be applied, which requires yielding to all vehicles approaching from the right.