But, this principle once established, we must distinguish between two points of view: the one economic and political, where alliance is there from time immemorial, combining and declining itself with the extended filiative lineages that do not exist prior to alliances in a system assumed to be given in extended form; the other mythical, which shows how the extension of a system takes form and delimits itself, proceeding from intense and primordial filiative lineages that necessarily lose their inclusive or nonrestrictive use.