The
____________________
were
used
to
symbolize
a
word
or
phrase
.
____________________
was
the
first
system
of
writing
developed
by
the
Sumerians
and
it
means
____________________
-
shaped
.
____________________
means
more
than
what
is
needed
.
A
____________________
is
any
sickness
caused
by
a
virus
,
bacteria
,
etc
.
These
were
spread
through
____________________
animals
as
a
consequence
of
agriculture
during
the
Neolithic
Revolution
.
Social
classes
were
created
based
on
____________________
.
