What are the strengths of Rome's politics?

These strengths included a strong foundation, having been built off of the Roman Republic; the standardization across the empire of many aspects of life, such as language, law, and especially the extension of citizenship, which made the empire more cohesive and easier to rule; and strong leaders, who were able to utilize the manipulation of the upper class and Senate, and the management of the military.

add law

explanation:

a, c, & d are correct:

they wanted lands to settle the extra population.

they wanted new markets for english goods.

they wanted to avoid civil war.