Both were very vast and both were raided by barbarians. Romans had weak leaders. both had weak borders.
No, it will decline in its own uniquely American way. Many people believe that this is already happening.
Well, first of all, the Roman Army was very effective and efficient. Soldiers were disciplined and trained and were on a professional basis. This meant that you held no other occupation if you were a...
the would use crack
The Roman empire became too big and the people outside of the Roman empire started to attack. From then on out, the empire just continued to collapse.