11.  Main reasons seem to be persistent low profitability among farmers and their uncertainty about the future.

12.  Mr Cates thinks there are three main reasons why intangibles are winning only grudging acceptance.

13.  The main reason for living in Spain is the weather.

14.  The main reason for the change is the rise in indirect taxes such as valued added tax which affect the poor disproportionately.

15.  The main reason for the Decline in the railways is lack of investment.

16.  The main reason for the huge prison population is the fashion for severe and mandatory sentencing.

17.  The main reason for this growth was that Congress no longer trusted the executive branch to provide it with accurate information.

18.  The main reason is the shortage of real attractions.

19.  The main reason is, employers can pick out and fire all the hard-core pro-union workers.