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.
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The Alamo was the landmark that can be found in San Antonio, Texas.
Least common multiple (LCM) of 10 and 20 is 20.
