11.   Nor was noble influence brought to bear only in moments of crisis.

12.   On the economic and social history of the period its influence was also enormous.

13.   The greatest influence was, of course, the aptitude the student brought to school-something.

14.   The influence of wages is more difficult to assess because cause and effect are entangled with one another.

15.   The second influence has been the expansion of international regulation into areas which were previously not regarded as within international competence.

16.   These influences are strong, and often contradictory.

17.   Throughout the first Decade of television, the dominant influence was what would now be called stand-up comedy.

18.   The next big influence on English was Christianity.

19.   Then into this relatively peaceful land came the Vikings from Scandinavia.

20.   The influence can be large or small.