Social movements are:

disruptive and chaotic challenges to the government

ineffective mass movements

the collective action of individuals working together in an attempt to establish new norms beliefs, or values

the singular activities of a collection of groups working to challenge the status quo

The correct answer is C. The collective action of individuals working together in an attempt to establish new norms beliefs or values

Explanation:

A social movement refers to a group or collective actions that aim at resisting or carrying out a social change which often implies alternation in the social institutions, relations, norms, principles, etc. of society. This implies in a social movement multiple individuals or even organizations work together in order to achieve a common goal that is related to the structure of societies or one element in them. Additionally, the causes of social movements and effects are multiple and usually linked to the context in which the movement emerges. Considering this, it can be concluded a social movement is "the collective action of individuals working together in an attempt to establish new norms beliefs, or values" because social movements always aimed at changing elements of society by establishing new elements and also they always involve collective actions.