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.
... ECHR: subject only to such limitations as are prescribed by law and are necessary in a democratic society);
limits on freedom of expression are accepted as in Canad ...