What geographical features isolated/protected Rome & Italy? . oceans
. seas
. mountains
. deserts

Explanation:

The Apennine Mountains run north to south along the Italian peninsula. The Apennine Mountains made it difficult for people to cross from one side of the peninsula to the other. These two groups of mountains helped to protect Rome from outside attacks. The seven hills protected Rome.

i think the answer to your question is: settlement of the interior and economic growth. ( ^_^)／

your answer is a. hope this : )