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.
... Nigeria[?] - (Dutch Reformed)
Presbyterian Church of Nigeria[?] - (Scottish Presbyterian)
Qua Iboe Church[?] - (Northern Irish Presbyterian)
Church of Christ in the ...