Why did livy believe that the tiber river and mediterranean sea were beneficial to rome

Livy believed that the Tiber river and Mediterranean sea were beneficial to Rome because

A the river was very important means of transportation. It was used to cargo  produce from the inland regions.

The sea too was important for commerce making shipments from abroad possible without the danger of enabling the influx of battle fleets from their enemies.

Cheers!

you really need to put more information in your (question); /// i believe you are talking about ///creek traveler"s rest, about lewis and clark not good

they are best known for the cliff pueblos found throughout arizona, new mexico, colorado and utah. and for their development of desert farming.

hope i

-lavira: )