Executive branch checks congress and congress checks executive branch venn diagram

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:

raymond can buy special closed cooling containers or a semi-truck with a air conditioned cooling system and an open box for the fruits,

the answer to your question is

the treaty of hopewell

4 is the oni could think of