Answer:
C. I and III
Step-by-step explanation:
Social movement is a form of activism that carried out by a lot of members of society as a collective. This movement usually caused by a perceived feeling of injustice that a large group of people felt in that society.
Even though the movement itself relied on the involvement of a lot of people, it usually has several leaders that serve as the leader / 'figurehead'.
This leader will be the one that mainly communicate with the media in order to spread awareness of the movement. Example of this leader would be Martin Luther king jr during the civil rights movement.