Catholic
,
Protestant
and
Muslim
are
examples
of
____________________
groups
.
People
with
a
common
language
and
culture
belong
to
the
same
____________________
group
.
There
are
two
categories
in
____________________
groups
:
male
and
female
.
____________________
groups
divide
the
population
according
to
how
old
they
are
.