Rome was so powerful in ancient times because of:
very advance administration system (including e.g. efficient tax system)
justice system (providing unity and stability) - strong army (including people from conquered lands)
dynamic society (providing Romanization of new territories)
well developed trade
excellent engineering skills (ability to build roads, aqueducts, harbors, war machines etc.) - focus on education (high level of literacy in comparison to other lands)
rome was strong because of its army. the roman army has been called the greatest fighting machine that the world has ever seen.
Rome's strength stemmed from its advanced administration, powerful military, extensive infrastructure, economic prosperity, cultural assimilation, technological innovations, and a strong emphasis on education and legal systems. These elements allowed the Roman Empire to sustain control over vast territories and diverse populations. As a result, ancient Rome became one of the most influential civilizations in history.
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