What was the main obstacle to Stephen A. Douglas's proposed Chicago-San Francisco railroad?

this year in rap and hip hop radio

trumans defeat to eisenhower in the 1948 elections was due to trumans approach and handling of the cold war and the war in korea. trumans approach to communism during the cold war was the principle reason for his defeat. eisenhowers reputation and name as the supreme allied commander in europe during world war two and his campaign slogan that he ''would go to korea if elected'' won him the presidency.

either d or b, i'm not to sure. but my gut tells me it's prob going to be b