In order to make their schedules more standard, what did the railroads do? A. Allowed each train to set its own schedule
B. Forced every train to leave its station on the hour
C. Put the whole United States on the same time
D. Divided the United States into time zones
SUBMIT

Why is it problematic for historians to use oversimplification when writing about the past?

Which fact would this be, and how might you verify the truth?

Following archduke franz ferdinand's assassination, austro-hungarian leaders: a. aided the ottoman empire in its campaign to keep serbia under its control. b. executed nearly all prominent serbs living in austria-hungary c. threatened to invade serbia if serb leaders did not agree to a set of strict demands. d.. formed an alliance with great britain to protect austria-hungary from future attacks.