<Li> Roman Republic 509--27 BC </Li> <Li> Roman Empire 27 BC--AD 395 </Li> <Ul> <Li> Principate </Li> <Li> Dominate </Li> </Ul> <Ul> <Li> Western AD 395--476 </Li> <Li> Eastern AD 395--1453 </Li> </Ul>

Which of the following was true of the roman senate