Even without the map, we can assert this: T<span>he federal government promoted transcontinental railroad construction.
Railroads were given land grants by the federal government, which not only provided land for the railroad itself, but the companies were able to sell some parcels of the granted land to help finance railroad construction. The railroad companies also received government bonds for completing certain amounts of track miles across the plains. Provisions like these were in the </span><span>Pacific Railroad Acts of 1862 and 1864.
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https://www.wyzant.com/resources/answers/181635/how_did_the_founding_of_pennsylvania_differ_from_the_puritan_founding_of_massachusetts
Hope this helps!
An economic downturn.
http://factsanddetails.com/russia/History/sub9_1f/entry-4990.html
The Soviet Union turned a rural, agrarian society into one of the largest economic powerhouses in the world. The breakup greatly effected it.