Concept:The Sharpeville revolt was a protest against laws controlling the movement of Black South Africans.Explanation:The 1960 Sharpeville revolt was directed at the pass laws.These pass laws required Africans to carry a passbook at all times.The passbook restricted Africans from moving freely from one area to another.It also prevented them from entering areas reserved for white people without permission.This movement restriction was a major cause of the protest, which the police violently suppressed.Answer:C. pass laws