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

What was one goal of the whig party

What effect did ww11 have on empires that had been created by european nations

Consider the following invention from the american industrial era. cotton gin – a machine that removed seeds from short-staple cotton which option explains how this invention contributed to the role of the united states as an emerging world power? a. it was in high demand abroad, as many european nations had begun farming cotton. b. it led to the decline of slavery in the south, which enhanced america’s international reputation. c. it freed up many slaves to become factory workers in northern cities, which improved the economy. d. it increased production efficiency of a us cash crop that was in high demand in other nations.