Respuesta :

they are a Type of group project(?)  They are big, sometimes informal, groupings of individuals or organizations which focus on specific political orsocial issues

Answer:

Sample Answer:  

Ideologies are often spread through social movements. A social movement is a long-term conscious effort to promote or prevent social change. Social movements usually involve large numbers of people. Examples of social movements include the prohibition movement and the civil rights movement.

Explanation:

I don't know if your doing sociology on edge but if you are here is this. :)