<Ul> <Li> Roman Kingdom 753--509 BC </Li> <Li> Roman Republic 509--27 BC </Li> <Li> Roman Empire 27 BC--AD 1453 </Li> <Li> Empire of Trebizond 1204--1461 </Li> </Ul> <Li> Roman Kingdom 753--509 BC </Li> <Li> Roman Republic 509--27 BC </Li> <Li> Roman Empire 27 BC--AD 1453 </Li>

What were the social problems hidden during pax romana