21.   Across Chiapas the lack of peace has aggravated age-old village disputes and deepened new rifts, bringing back the explosive tensions that existed before the Zapatista revolt.

22.   But Christmas plays and other liturgical dramas existed long before passion plays.

23.   But he no longer finds himself alone in the boutique hotel business, which did not really exist before Morgans.

24.   But the company of the future will be far different from the one that existed before the scandal, analysts said.

25.   But the Republicans have clearly sensed an opening that did not exist before.

26.   But the rise of chains such as Party City also reveals a talent for creating demand where none existed before.

27.   Chat-rooms and Web sites have created community where none existed before, and attracted younger players to the game.

28.   For her, it has brought a freedom of movement that did not exist before.

29.   For most of these rookies, the NBA did not exist before Magic Johnson and Larry Bird.

30.   Happiness existed before Harvey Ball, but it was more difficult to communicate.