The correct answer should be <span>D: to use military ships to sink German submarines
They were extremely fast and small ships that carried torpedoes and the idea behind them was to get close to the enemy, blast them with torpedoes, and run away. They were really successful at this and they often fought the huge warships or submarines with ease and without any losses.</span>
Railroads had a very large positive impact on <span>western settlement in the late 1800s</span> in the US, since this made it far easier and more effective to transport both humans and goods across large bodies of land.
Ships.
Sea transportation was just right at that time as it can carry loots, spoils of war , enough fire power to conquer new colonies, and also food and necessities for sojourners ,seafaring soldiers and traders. Even exploration of unknown territories was also done with the help of sea transportation.
C, He began the Pax Romana, the period of Roman peace and prosperity,
Hope this helps.
