Individuals Participating in the Civil Rights Movement Faced Many Costs

Individuals participating in the civil rights movement faced many costs, such as lost time, resources, and threats to their personal safety, yet the contribution of any one individual to the movement's overall success was small. What does this say about certain types of political behavior?

A) In circumstances of interpersonal relationships, the rationality principle is not valid.
B) In circumstances of moral issues, the rationality principle is not valid.
C) Participants in the civil rights movement attached high experiential value to being an active member in the movements.
D) The rationality principle does not apply to general citizens and is only true of elites' political behavior.