What were the consequences of no sea trade in ancient rome??

Question: What were the consequences of no sea trade in ancient rome!?!?
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there was sea trade, but there was a time early in the empire when there wasnt!. and when this was happening they weren;t fulfilling their full trade abilities and they didn't have a big navyWww@QuestionHome@Com

There was sea trade in Ancient Rome! It was vital to Rome's survival!

The Roman Empire was criss-crossed with trade routes!. There were sea routes that covered the Mediterranean and Black Seas and numerous land routes using the roads built by the Romans!. Trade and moving the Roman Army around were the two principle reasons for building roads!.

The most important port was Ostia as it was the nearest major port to Rome itself!. Ostia was situated at the mouth of the River Tiber and was only 15 miles from Rome!. Many ships travelled between Ostia and the major North African city of Carthage, a journey that took between three and five days!. Ships also arrived from Spain and France at Ostia!. All their goods could be quickly moved to Rome itself as they were taken in barges to the city up the River Tiber after slaves had transferred the products from the merchant ships to the barges!. Ironically, Ostia was to play a major part in the downfall of Rome when Alaric the Goth captured Ostia in AD 409 knowing that this would starve Rome of much needed food!.

The Romans did what they could to make sea journeys safe - lighthouses were built as were safe harbours and docks!. The Roman Navy did what it could to make the Mediterranean Sea safe from pirates!.Www@QuestionHome@Com