Pestilence stop colouring your perceptions with modern concepts. Then go and compare Rome with some of the groops from the same general time period. Before we have Egypt, Persia, Macedonia, Greece. After you have The Hunic empire, Persia (again) the Holy Roman empire, The Mongol Empire. Groups that existed at the same time (and were often conqured by) Rome were the Visigoths and Ostrogoths, The Germanians, The Anglos, The Saxons, the Galls. In truth the two primary reasons for Roman expansion were defence and wealth. O and Julias Ceaser started out as a Priest of Jupiter and even attained the rank of High Priest before his ambitions took him to the army.
Next lets compare Rome to modern and relativly modern civilizations such as the former Soviet Union, early comunist China, the many nations of central and south Africa, Cuba, the many nations of central and south America. "Rome was certainly barbaric by modern standards" (sarcasm)
Yes Zan; Yliakum will develop it's own unique civilization over time. However when comparing to real world civilzations Rome is by far the closest candidate. I think we all need to learn to take into acount that this is our world and it will deveolpe acording to how we behave within it. We also need to take into acount that as of yet we have nothing of what it will be except for a very great deal of preconcived notions.