If people participate in short-lived and sometimes violent protests they are engaged in:

A) nonroutine collective action
B) general collective action
C) democratic collective action
D) socially unstable protest
E) collectivization

Nonroutine Collective Action

Unplanned, spontaneous group action that arises in response to an event or situation, often in the context of protests or emergencies.

Short-Lived

Having a brief existence or duration; not lasting for a long time.

Violent Protests

Public demonstrations that involve aggressive behaviors, including harm to people or property, to express opposition against policies or actions.