It reduced coast-to-coast communication from about 180 days to about a week.
Explanation:
This is the answer that best describes the way in which the construction of the transcontinental railroad impacted coast-to-coast communication. Before the railroad, communication from coast-to-coast was extremely difficult. Not only did news take a long time to travel, but often they were unable to do so, as the journey was complicated and could not be done by anyone.
Reconstruction succeeded in its goals of restoring the Union and helping to "<span>d. repair the war-torn South" although many would agree that Reconstruction failed because discrimination still existed. </span>
