The reason why the Romans wanted to extend their dominion to the Alps was that C. The Alps were a mountain range that provided a natural barrier to invasion.
<h3>Why did the Romans want to reach the Alps?</h3>
The Alps were located in Northern Italy and were a range of mountains which were hard to scale, especially with an invading force.
This meant that if Rome reached the Alps, they would only worry less about invasions thanks to the Alps being a natural barrier to groups trying to invade Roman land.
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B I'm not sure look it up