Answer:
2: Mountains provided roadblocks to hold back invaders
Explanation:
The Apennine Mountains run north to south along the Italian peninsula, this made it difficult for other people to cross from one side of the peninsula to the other. These two groups of mountains helped to protect Rome from outside attacks.
Answer: 2: Mountains provided roadblocks to hold back invaders
Explanation: The Apennine Mountains run north to south along the Italian peninsula, this made it difficult for other people to cross from one side of the peninsula to the other. These two groups of mountains helped to protect Rome from outside attacks.