4) Looking at the map of the Roman Empire during the Tetrarchy, could you make a prediction as to where the later divide between the Western and Eastern Roman Empires would appear? Why?

Italy, The reason is due to it is surrounded by districts that have different kind of rulings from theirs.

Explanation:

Looking at the map of the Roman Empire during the Tetrarchy, the later divide between the Western and Eastern Roman Empires would appear within or outside the borders of Italy.

The reason is due to it is surrounded by districts that have different kind of rulings from theirs.