Analysis of information sources in references of the Wikipedia article "Public service" in English language version.
As the more advanced social institutions began to take shape they contributed to some counterbalancing of the essential insecurity of man's condition. It was inevitable that ambitious and assertive men should see an opportunity for establishing for themselves positions of power and influence. No doubt many such occasions had their origins in a genuine concern for the public good [...] The position of [...] the war-band leader as the strong arm of the community's defence would increasingly be confirmed by the subjection of the community to the members of what [...] were becoming, demonstrably, elites, [...] This period, embracing part of the fifth and all of the fourth and third millennia before the present era, is absolutely pivotal to the development of the modern world.
Pharaonic Egypt epitomizes a regulatory, public law regime. [...] The principal function of this elaborate apparatus was to maintain order and security, and, above all, to acquire as much of the surplus agricultural wealth and labor as possible.
To ensure the favor of the gods was the preeminent task of ancient rulers worldwide, for they all were priestly kings. The Roman Caesar was the pontifex maximus of Rome's state god. The Chinese emperor certainly stood over his subjects as 'Son of Heaven,' but if he fell into disfavor with heaven and his country was visited by famine, plague, earthquakes, and floods, he could be overthrown. The Moloch of Carthage demanded children as sacrifices; the Aztecs and Mayas offered their Gods still-quivering hearts. These political religions were do ut des religions in which the relationship between deity and worshippers was one of contractual exchange.