A propos of #CIA and American cultural generally probably and certainly respectively containing the notion that tyranny or oppression should be resisted by violence (thus, strictly speaking, doing away with notion of just violence being in defence only):

For the US second amendment, it is composed by a prefatory clause (a well regulated militia, being necessary to the security of a free state) and an operative clause (the right to keep and bear arms, shall not be infringed).

Why what should be done, should be done is the prefatory clause; what should be done is the operative clause.

Today, the clauses are absurd.
#CIA