600 bce ce classical periodization history freemanpedia pedia freeman ap world period major important here earth china
bce ce pedia freeman authority frontiers threat issues including
classical bce freeman pedia generally offering belief reinforced
classical 600 bce ce slavery societies freemanpedia elites production empires labor freeman pedia maintain corvee loyalty relied rents tributes rewards
social 600 bce empires ce classical elites structures were merchants slaves caste groups freemanpedia ancient hierarchy pyramid civilization economic egypt
600 bce classical ce freemanpedia empires institutions legal subjects elaborate governments rulers organize bureaucracies centralized administrative including created systems order
trade routes classical 600 ce unit map era bce networks trans goods ii exchange world ap history major regional hemisphere
bce cultural crops freeman pedia exchange beliefs domesticated flung pathogens developed