<Tr> <Td_colspan="2"> Capital </Td> <Td> <Ul> <Li> Chang'an (618--684 and 705--904) </Li> <Li> Luoyang (684--705 and 904--07) </Li> </Ul> </Td> </Tr> <Ul> <Li> Chang'an (618--684 and 705--904) </Li> <Li> Luoyang (684--705 and 904--07) </Li> </Ul> <Li> Chang'an (618--684 and 705--904) </Li> <Li> Luoyang (684--705 and 904--07) </Li>

Who made the laws in the tang dynasty