21.   Also displayed will be a portrait, painted in London, of William Shirley, governor of the Massachusetts Bay Colony and the driving force behind the Louisbourg expedition.

22.   Although budget spending cuts would be positive for gilts, expectations of lower interest rates have been the driving force behind the latest gilt rally.

23.   American Tom Ford is the creative force behind the label.

24.   Although that attack never came, fear that it might was a driving force behind Western strategic policy for decades.

25.   An official with the union representing the caseworkers did not dispute that self-protection was the driving force behind the increased removal of children.

26.   Among other accomplishments, the senior Roosevelt was the driving force behind the establishment of the American Museum of Natural History in Manhattan.

27.   Analysts say that has been the driving force behind reorganizations planned at Prudential Life Insurance Co. of America, John Hancock Life Insurance Co. and others.

28.   And Gannon was the force behind the devastating blow the Raiders unleashed at the beginning of the third quarter.

29.   And patriotism is not always the driving force behind military enlistment.

30.   And the singer was Hermann Prey, the moving force behind the Schubertiade and a man who has been singing these songs for half a century.