21.  Earlier efforts to hook lines to the submarine to bring it air and fuel had failed, officials said.

22.  Earlier efforts used air to cool the metal, but this air cuts efficiency.

23.  Earlier efforts were thwarted by violence, for which the Palestinian leader, Yasser Arafat, bears primary responsibility.

24.  Earlier Jenkins efforts were sometimes booed, even pelted with fruit, but they came to be seen as classics.

25.  Gotti had prevailed in three earlier efforts to convict him.

26.  His first surgeon-general, Joycelyn Elders, toyed with the idea that some drugs should be legalized, undermining earlier efforts to stigmatize them.

27.  How would you characterize your earlier efforts?

28.  In an earlier effort to jumpstart the population, the mayor tried to ban condoms but it was ruled unconstitutional by a judge.

29.  In important ways, the missionary decline also reflects the success of earlier efforts to convert local popoulations.

30.  In the earlier White House effort, Hughes joined forces with her British counterpart to put together the Coalition Information Center, known as the war room.