We find then, in every climate, natural causes according to which the form of government which it requires can be assigned, and we can even say what sort of inhabitants it should have.
Unfriendly and barren lands, where the product does; not repay the labour, should remain desert and uncultivated, or peopled only by savages; lands where men's labour brings in no more than the exact minimum necessary to subsistence should be inhabited by barbarous peoples: in such places all polity is impossible. Lands where the surplus of product over labour is only middling are suitable for free peoples; those in which the soil is abundant and fertile and gives a great product for a little labour call for monarchical government, in order that the surplus of superfluities among the subjects may be consumed by the luxury of the prince: for it is better for this excess to be absorbed by the government than dissipated among the individuals. I am aware that there are exceptions; but these exceptions themselves confirm the rule, in that sooner or later they produce revolutions which restore things to the natural order.