Is it necessary to have different classes of people to avoid societal breakdown?

Question

i.e-upper class,middle class,working class,and "underclass"?

Answer 1

yes

Answer 2

No but the upper-class feel the need to keep their status.  So nothing changes.

Answer 3

Yes. If everyone was rich, who would do the dirty work?

If everyone was poor, who would run the country?

It would be chaos.

Answer 4

Yes. Even the brightest social theorist cannot do away with social stratification.

Read this folowing articles:

http://en.wikipedia.org/wiki/A_theory_of...

http://www.beyondintractability.org/essa...