HELP HU Why was the construction of the transcontinental railroad so important?

A:It linked the North and the South.

B:It linked the nation from the Atlantic to the Pacific.

C:It allowed the Confederate forces to reach their battlefields quickly.

D:It allowed plantation owners to ship their cotton to Britain more quickly.

Answer is in the photo. I can't attach it here, but I've uploaded it to a file hosting. link below! Good Luck!

cutt.ly/Kzv78uJ

B-It linked the nation from the Atlantic to the Pacific

Explanation:

answer; /// slavery should be outlawed in the new country, was part of the initial draft of the declaration of independence, but not part of the final

silk

indigo  

rice

all the other answers are wrong