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.
... Museum[?]
Sue Ryder Foundation Museum[?], Cavendish
William Clowes Printing Museum[?], Beccles
West Sussex
Amberley Working Museum, Arundel
Fishbourne Roman ...