31.   But there is no guarantee that San Franciscans will unite behind their choice.

32.   But this also was one of those events that showed how a city unites behind an athlete.

33.   But unlike recent presidential years, when the group united behind the establishment front-runner, the coalition is in tatters.

34.   But this year, unlike the past, they have agreed to unite behind one proposal.

35.   Carter was free to define himself in the later stages of the campaign, and to keep his party reasonably united behind him.

36.   Clinton has called for Americans to unite behind the war effort.

37.   Confused by a Republican presidential field overloaded with social conservatives, they have been unable to unite behind a single candidate and may lose their electoral clout.

38.   Conservatives disagree on many issues, but the coalition unites them behind the goal of less government.

39.   Despite an often grueling pace, Mandela seems to revel in his campaigning, often recalling his humble background and always urging South Africans to unite behind his party.

40.   Domenici said Republicans are united behind using future non-Social Security surpluses for tax cuts.