Education<span> Data show that the single biggest predictor of whether someone will vote is whether they hold a college degree, Burden notes. College graduates make more money, on average. They are more likely to look for information about politics. And they are more likely to have friends who vote. People without a college degree, he says, are less likely to seek out political information. They also are less likely to have friends who care about politics or talk about voting.</span>
Answer:
In Lincoln's mind, the railroad was part of the Civil War effort. The new line would support communities and military outposts on the frontier. ... A transcontinental railroad, Lincoln hoped, would bring the entire nation closer together – would make Americans across the continent feel like one people.
Hope this helps
The answer to your question is A.