41.  There were two principal reasons why we banned junk fax.

42.  This wholesale shuffling of the genetic deck is called recombination and is a principal reason that children differ from their parents.

43.  Until recent days, gains by resurgent Bosnian and Croatian forces were the principal reason American-brokered peace talks made progress.

44.  A majority cited convenience as the principal reason for looking to the Internet for campaign news.

45.  A principal reason for its success was the timing.

46.  ACT National Chair Prof. Enrique Torres said the political risk that the planned boycott might cause was the principal reason for the turn-around decision.

47.  He points out that the principal reason for the high tariffs is that there has been little or no capacity addition.

48.  He said the principal reason for suicide attempts, escapes and riots within the camps was that detainees were upset at being refused refugee visas.

49.  Most of the smokers said weight control was the principal reason they took up the habit.

50.  Network operators around the world suggest aspiring mobile phoneowners buy digital phones for one principal reason -- the analogue system is going the way of the dinosaur.