I believe the answer is United States,The United Kingdom,The Soviet Union, and the Republic of China !
Railroads changed ideas about travels because it gives easier access to deliver items to another destination or easier access to travel from one place to another in faster motion, rather than in the late 1800s individuals had to build their own transportations to trade or arrive at a certain place which took months and years
Diverse and elaborate cultures
That would the Mississippi I think.
