But this "not real power of senate" is representation. Until third age in Rome was still republic. I don't know, how it's named in English but in Polish it's named "comedy of the republic". Rule of councils, then emperor (who was Princeps Senatus, council and other republican offices) is Representation, same as absolute monarchy and constitutional monarchy are form of Hereditary Rule...
Rome expanded because of republic. But republic couldn't be practiced in such a big empire, so form of government had to change. Emperors was using power made by republic...
Rome expanded because of republic. But republic couldn't be practiced in such a big empire, so form of government had to change. Emperors was using power made by republic...