Financing the Transcontinental Railroad<span>. The first </span>transcontinental railroad<span>, built between 1864 and 1869, was the greatest construction project of its era. It involved building a line from Omaha, Nebraska, to Sacramento, California, across a vast, largely unmapped territory.</span>
Answer:
I think is either C or B, or A
Sorry I’m only answering cause I need to upload
The transcontinental railroad transformed the west because it made the idea of manifest destiny so much easier to achieve. The railroads also gave access to many trade spots, which in result connected them all, making the economy of America BOOM.