Respuesta :
The correct answer is:
People will urge their friends to wear seat belts.
The poster basically is a person wearing a seatbelt.
The most likely social effect of the poster from the Click It or Ticket Mobilization Media Campaign would be the last one: people will urge their friends to wear seat belts.
The main objective of this campaign is to raise awareness about the number of deaths in traffic accidents due to the lack of use of the seat belts.