Crossword puzzle clue "party staple suggested by connecting this puzzle's special squares"

Party staple suggested by connecting this puzzle's special squares

What's revealed by connecting the special squares in this puzzle in order

Psalm 100 excerpt suggested by six puzzle answers and graphically represented by certain black squares in this puzzle

With only slight provocation ... as suggested by some black squares in this puzzle

Landmark inaugurated 3/31/1889 whose shape is suggested by nine squares in this puzzle's completed grid

Snapping ... as suggested by some black squares in this puzzle

Having a variable identity, as suggested by four squares in this puzzle

Newspaper puzzle suggested by this crossword's shaded squares