Questions about interpreting the constitution are decided by which branch of the government, and addressed by which of the seven articles of the constitution?

The judicial branch

Explanation:

The judicial branch is responsible for interpreting the Constitution and ultimately the US Supreme Court can declare a law made by Congress unconstitutional. However, the power of constitutional judicial review was established in 1803 in the case of Marbury v. Madison.

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: