In athens' council of 500, what did councilmen do? a-hear criminal and civil court cases and make necessary decisions. b- write, vote on, and enforce laws c- write laws for the assembly to vote on d- vote on laws written by the assembly

answer: the time zones used to be whatever the local authority wanted them to be. one town might have 6am whenever the sun came up and another town had 6am 10 minutes later.  

the trains had a hard time when their orders said to be at a certain point at 6am.  

6am, but who's 6am.  

the railroads got together and set the time zones more or less along the longitude lines across the country.

explanation:

it allows shippers to carry commercial goods, which allows them to save time and money.