Answer: Rome pursued an imperialist policy.
Step-by-step explanation:
War conquests pursued this policy. Rome had the most organized and most disciplined army in the ancient period. The beginning of the territorial expansion of Rome is connected with the Punic wars with Carthage. Rome also had the highest quality navy of its time, which further contributed to expanding the empire. Many conquered peoples had to pay taxes to Rome, which filled the state budget and enabled the financing of military stones. At the same time, Rome was a slave-owning society, and it had a free labor force that worked on various jobs, and what in that context contributed to the spread of Rome was the infrastructure.
Rome had the best infrastructure in antiquity, which contributed to Roman troops' easier mobilization and movement. Throughout its history, Rome has had several imposing military leaders and politicians who contributed to the spread of Rome in its ranks. Caesar is certainly the greatest of them, but it is necessary to mention Pompey, Octavian, Diocletian, and many others.