21.   Mueller had been on the job less than two weeks when terrorists struck the United States.

22.   Most schools in the region were not yet in session when the terrorists struck New York and Washington, D.C.

23.   No American nuclear power plant has been struck by terrorists, the advocates say.

24.   Nevertheless, a short stroll through the Capitol gave unmistakable signs that the terrorists had struck a blow.

25.   One consideration is whether terrorists will strike again.

26.   People rushed to and from work without lingering on street corners or in cafes, where a terrorist might strike.

27.   PHOENIX -- The Giants had a view from ground zero when terrorists struck New York on Tuesday, and they remain horrified and angry in the aftermath.

28.   Police hurriedly erected barricades in front of several U.S. embassies elsewhere in Africa, out of fear that terrorists might strike again on the continent.

29.   Richard Moore, global foreign exchange manager for Citigroup, was on a business trip in New York when the terrorists struck.

30.   She feared that terrorists could strike again, Rios said in Spanish.