Might Makes Right

This is the underlying principle of the world.  Whether it be a moncarchy, republic, democracy, fascism, communism, or any other -ism, all forms of government rely on this precept for its source of power and existence.

That being so, what makes one form of might more legitimate than another?  Or are they all equal?

>>2
The majority of people do NOT know what is best for mankind. The educated, rich, motivated and enlightened; the "top tier" have the power, and they use that power to shape society.
Its Natural selection.
Happiness has nothing to do with it.