Crossword puzzle clue "er action perhaps"

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

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."

Stage-action reaction, perhaps

ER action, perhaps

Out of action, perhaps

Guest-list action for a boor, perhaps

Midwife's action, perhaps