During the Principate (roughly 27 BCE to 235 CE), when the empire reached its maximum extent, Roman society and culture were radically transformed. But how was the vast territory of the empire controlled? Did the demands of central government stimulate economic growth or endanger survival? What forces of cohesion operated to balance the social and economic inequalities and high mortality rates? How did the official religion react in the face of the diffusion of alien cults and the emergence of...