Which theory of collective action answers the question of why discontent is sometimes expressed collectively and in nonroutine ways?

Question

Quizplus · Accepted Answer

The breakdown theory argues that collective action occurs when conventional institutions (such as governments or unions) fail to address the grievances of a group of people. Discontent is expressed collectively and in nonroutine ways when there is a breakdown in the established channels of communication and power, forcing individuals to seek alternative means of redress.

Which Theory of Collective Action Answers the Question of Why