Why was the construction of the transcontinental railroad so important?
a. It linked the North and the South.
b. It allowed the Confederate forces to reach their battlefields quickly.
c. It allowed plantation owners to ship their cotton to Britain more quickly.
d. It linked the nation from the Atlantic to the Pacific.
D is my answer!
One reason why the construction of the transcontinental railroad was so important was because "d. It linked the nation from the Atlantic to the Pacific," since this provided for a plethora of new social and economic opportunities.