Civilisation

When increasing technological and cultural sophistication reaches a critical mass, the result is civilisation.

Civilisation began some time in the fourth millenium b.c.e., with the confluence of the walled city state, writing, a centralised government, agricultural surplace (allowing the rise of an artisan class), money or some means of economic exchange, a standing army, and a state religion or priesthood.

The following table summarises the various stages of civilisation