1.   Any lack of required work effort by an individual will affect the immediate group bonus and so peer pressure can be significant.

2.   Despite heroic efforts by the scientists, these virgin-born turkeys rarely progressed beyond the stage of simple embryos.

3.   Even the parents had stopped chattering, watching with communal pride the appreciation of their efforts by the reprieved animals.

4.   It was now obvious that repeated military efforts by a single state were doomed to failure.

5.   Many think that in spite of strenuous efforts by Mill, utilitarianism can not really do justice to the concept of justice.

6.   Occasional collective efforts by prisoners to improve their lot have mostly been sharply put down.

7.   Recent efforts by American business to increase efficiency seem to have failed.

8.   Sales promotion supports other sales efforts by providing incentives to both consumers and traders at the point-of-sale.