21.   Stories about journalistic invention have been distressingly common these last few months, with their impact upon the credibility of the news media well dissected.

22.   We can suppose this international exchange might have had an impact upon the Turkish language.

23.   With its atomic overtones, it had an instantaneous impact upon the viewer.

24.   Yes, I know that racism impacts upon our abilities to be good fathers, but racism impacts upon everything we do.

25.   Liberalisation has had a drastic impact upon the currency and the stock market and it simply cannot happen overnight.

26.   Who possibly could have guessed that Luc Longley, the one-time Blunder from Down Under, would have such an impact upon the National Basketball Association Finals?