Question

!!!HELP!!!

Why did the development of time zones make train schedules more reliable?

A)Time zones set the entire country to the same time.

B)Time zones measured time locally instead of country-wide.

C)Time zones made sure that each state was in only one zone.

D)Time zones created a standard of time that all trains followed.

Answer 1

time zones created a standard of time that all trains followed

Answer 2

The answer is: D)Time zones created a standard of time that all trains followed.

Due to the development of railroad technology, trains could cover the distance between areas that have different time zones. Since a lot of the customers use it to commute for works, it is very important for standardized time to be created for all trains