<Tr> <Td> <Ul> <Li> Centuriate </Li> <Li> Curiate </Li> <Li> Plebeian </Li> <Li> Tribal </Li> </Ul> </Td> </Tr> <Ul> <Li> Centuriate </Li> <Li> Curiate </Li> <Li> Plebeian </Li> <Li> Tribal </Li> </Ul> <Tr> <Td> <Ul> <Li> Other countries </Li> <Li> Atlas </Li> </Ul> </Td> </Tr> <Ul> <Li> Other countries </Li> <Li> Atlas </Li> </Ul>

What was the significance of the pax romana