What was the pax romana, and when did it take place?

The Pax Romana was a 200 year period of peace in the Roman Empire. It lasted from 27 BCE to 180 CE.

d. the right to establish a one-house legislature

the  wilmot proviso  was designed to eliminate  slavery  within the  landacquired as a result of the mexican war (1846-48). fearing the addition of a pro-slave territory, pennsylvania congressman david  wilmot proposedhis amendment to the bill.