Answer: Officially the captain was not moved from Florence to Rome July 1871. The unification of Italy was thus completed by the capture of Rome and later Friuli and Trieste at the end end of world war 1, also called in Italy the fourth Italian war of independence.
I believe that the roman empire would be successful because they have money and room to move and expand. The Roman empire has already been super successful with their empire and if they can do it then they can do it now
