What was the impact of the Pax Romana on the Roman Empire

Correct answer for apex is d.

Upon the fall of rome, europe ceased being influenced by the cultures of the mediterranean coast and was more influenced by germanic tribal confederations that had already taken over vast swathes of roman territory, although the influence of rome on the former empire was very strong in legal

Transcontinental railroad was the most effective way to travel.

That would be a trashcan