Often, massive amounts of loot or wealth were squandered, sacrificed or given away in such theatrical performances. Moreover, all such groups explicitly resisted certain features of nearby urban civilizations: above all, writing, for which they tended to substitute poets or priests who engaged in rote memorization or elaborate techniques of oral composition. Inside their own societies, at least, they also rejected commerce. Hence standardized currency, either in physical or credit forms, tended to be eschewed, with the focus instead on unique material treasures.
