Answer:
The transcontinental railway had a major effect on how Americans perceived thier nation, and it became a symbol of America's growing industrial power and a source of confidence that led them to take on even more ambitious quests.
All of the following were United States presidents except "<span>C.William Seward," since although he did indeed run for the office of President, he instead ended up serving under President Lincoln. </span>
A person or group besides the two primarily involved in a situation, especially a dispute.