<Tr> <Th> Aztec history </Th> </Tr> <Tr> <Td> Aztlán Warfare </Td> </Tr> <Tr> <Td> Codices Aztec writing </Td> </Tr> <Tr> <Td> Aztec Empire Tlaxcallan </Td> </Tr>

What role did human sacrifice play in aztec civilization