I’m pretty sure it’s Germany
Most landforms change very slowly over many, many years. New mountains have formed as the plates of Earth's crust slowly collided, and others have been worn away by weathering and erosion. ... Floods and landslides can change landforms in a matter of seconds. Volcanic eruptions can also change landforms quickly.
by making more than one pieces of work
While pax romana was a period which characterized a period of peace in the Roman empire where very little conquest was being done, perhaps a farmer who is selling his produce in Rome would be the correct answer - D.
As a farmer who would be selling his produce in Rome could signify a time where goods are abundant and he can safely sell his produce.
