how did Rome's system of govt help create a period of Pax Romana? Did the type of govt help bring peace? Explain.

The term "Pax Romana," which literally means "Roman peace," refers to the ... Nevertheless, Rome's citizens were relatively secure, and the government ... Octavian was careful not to upset the Senate by declaring himself dictator as ... To help maintain their sprawling empire, the Romans built an extensive system of roads.

Explanation:

this null effect is caused by a weak manipulation and ineffective internal validity. in a scientific study, as the one dr. morimoto is trying to perfom, internal validity refers to the confidence placed in the cause-effect relationship and to how well an experiment is done and able to eliminate confounding variables.