How did the railroads change the way Americans told time?

The underlying cause of confusion was simply that the United States had no time standard. Each town or city would keep its own solar time, setting clocks so noon was when the sun was directly overhead. ... So it's fair to say the American railroads changed the way the entire planet told time.

what are local authorities doing to fix the problem

explanation:

what are local authorities doing to fix the problem

apartheid, (afrikaans: “apartness”) policy that governed relations between south africa's white minority and nonwhite majority and sanctioned racial segregation and political and economic discrimination against nonwhites. people should not get this wrong. i was just answering a question.