What was the role of the consuls in the Roman Republic?

The consuls were the chairmen of the Senate, which served as a board of advisers. They also commanded the Roman army (both had two legions) and exercised the highest juridical power in the Roman empire.

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 was the "4. potsdam" conference that demanded the unconditional surrender of japan, since it was clear that the japanese would continue to find until the very last man otherwise.