The Arrival of Railroads
A Railroad is like a Transport of things like a train. you can transport people from place to place with railroads or you can transport supplies
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It was "John O'Sullivan" who <span>entitled the phrase "manifest destiny," since he used this phrase to describe the vision that the US was "destined" to expand all the way to the Pacific Ocean. </span>
Your answer will be D, your welcome
Answer: they could use the new naval bases for supplies and had stronger armies, and more land
Explanation: