21.   Their mission was a thorough review of the scientific literature pertaining to the guidelines, a task undertaken every five years.

22.   Two Harvard researchers undertook the task.

23.   Why did it take an American, like Dower, who is a professor of history at the Massachusetts Institute of Technology, to undertake the task?

24.   Yeltsin agreed that his troops would undertake these tasks because NATO has determined that the work would not require Russia to come under direct NATO command.

25.   At that meeting, the ministers agreed to several collaborative initiatives, including securitisation, in which Malaysia offered to undertake the task of coordinating the effort.

26.   But it remained unclear who should undertake the task.

27.   But the communique did not say who should undertake the task.

28.   Had he known how much the globe would cost, DeLorme said, he probably never would have undertaken the task of building it.

29.   He also chided the United Nations for its role in Bosnia, saying the organization should avoid undertaking tasks it cannot fulfill.

30.   He said it was impractical for the RTD to undertake the task when the police was able to carry out its duty effectively.