Activism, in a general sense, can be described as involvement in action to bring about change, be it social, political, environmental, or other change. This action is in support of or opposition to one side of a controversial argument.
There are many different forms of activism; a select list follows.
... of all American folk music forms to-date; it paid homage to previous forms, and also reflected a sense of adventure and a continuous quest for the "musical unknown"; more ...