Which of the following best describes the Roman Empire's public works projects?
A. The payments Rome forced its subjects to make to fund its public worksprojects impoverished most of the Roman Empire's inhabitants.
B. Through its public works projeccts, the Roman Empire built aqueducts, roads, bridges, harbors, and other infrstucture that significantly improved the welfare of its people.
C. The Roman Empire's public works projects were focused on building structures with specific military applications.
D. Rome's public works projects benefited its people, but most historians agree that they did not justify the massive use of slave labor required to carry them out.