What geographic feature on the map helped rome trade with surrounding areas

 The Italian peninsula was centrally located in the Mediterranean region, which made it easier for the Romans to trade with other countries, as well as to transport armies and supplies.

Explanation:

The peninsula was surrounded by many other countries, there for trade wasn't difficult and taking boat was easy.

answer; ///i believe the correct answer is (b) the writing of the ancients who lived in india after the indus valley inhabitants died out;