Crossword puzzle clue "course of action abbr"

It doesn't convey ferocious fuel-burning action, action, action! when it's regular-sized

Course of action: Abbr.

Piece of the action, or a shout that stops the action

Who said "Action may not always bring happiness, but there is no happiness without action."

Unwise course of action

Conceded to a different course of action

Argument against a course of action

Vainglorious course of action