によって Drithi Panyam 1年前.
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brought mesoamerica to unity
no central figure; unstable
human sacrifice; used slaves
polytheistic
fall of Mongols
Death of trade routes
steep decline in population
Ming dynasty
Decentralization led to smaller states
Serfdom
Manorial System
Feudalism
Marco Polo
Paper
Gunpowder
blend of daoism