31.  The population is categorized according to age, sex, and social group.

32.  The specific objective of this paper is to show that these children have the worst mortality record of any social group.

33.  This creates a fundamental conflict of interest between social groups since one gains at the expense of another.

34.  This reaction was not quite the same in the two main social groups, however.

35.  To grasp their real magnitude these figures need to be set against the incomes of other social groups.

36.  Within a few years the movies had added a significant number of other social groups to its audience.

37.  Headed by Frelimo political bureau member Rafael Maguni, the office had central and regional commissions with members drawn from all social groups.