Compare the two societies in Lord of the Flies under Ralph and Jack.

In Lord of the Flies by William
Golding, the boys on the island clearly delineate into two groups--those who follow
Ralph and those who follow Jack.  Each of these leaders has his own way of maintaining
order and living life.

Ralph is the first leader chosen on
the island, and he's everyone's leader.  Jack is appointed the leader of the hunters,
but they still fall under Ralph's leadership.  Here there is some semblance of order, as
seen by the use of the conch, and organization, as seen by their plans to create a
living space.  Huts are to be built, fresh water is to be on hand, toilet areas are
clearly designated, and food is gathered.  Ralph, with the guidance of Piggy, is able to
maintain some sense of order and discipline, though the boys slowly begin to break off
to do their own things. 

Soon Jack has become the second
leader on the island, the leader of the hunters.  They are careless about maintaining
the fire or doing the other work which needs doing; instead, they are consumed by
hunting.  Jack holds sway over his "tribe" by using fear and intimidation.  It's an easy
sell, at first, since most boys would rather hunt than work.  Once talk of the beast
grows, Jack has to find a way to calm their fears and keep them in line.  He suggests
leaving one of the pig's heads as a sacrifice for the beast in the hopes of allaying
their fears.  (This head, of course, becomes the Lord of the Flies which "speaks" to
Simon.)  As more boys join his tribe (either by choice or intimidation), Golding refers
to them as "savages," and their behavior becomes more violent and
aggressive. 

In the end, all but Ralph are members of
Jack's tribe.  In their desperation to flush out their final prey (Ralph), they set the
island on fire.  If not for their timely rescue, all of them would have died in the
conflagration. 

Ralph and Jack are, says Golding, like two
continents, adrift at sea.  As leaders, they could not be more different,  One is strong
enough to capture all the players, so to speak, but the other is strong enough to stand
alone when he must.