They spread widely the ideals of republicanism, the overthrow of aristocracies, kings and established churches. In contrast to historical aristocracies, Plato's resembles a meritocracy or proto-technocracy of sorts. These pastoralists were then reckoned to have established aristocracies over the sedentary Hutu and Twa. This influenced politics and led to revolutions against aristocracies. The aristocracies that ruled them were often more cosmopolitan and broad-minded than their nationalistic successors. The practice of Royal intermarriage was common in European aristocracies and elsewhere. At the same time, a number of popular revolutions disrupted traditional aristocracies. The culture of these nuclear groups were typified by military aristocracies. These were later joined by Cushitic-speaking agro-pastoralists, who would go on to establish local aristocracies. Many appear to have come from provincial aristocracies. He is famous for saying "history is a graveyard of aristocracies". Aristocracies develop a privileged body of individuals.