Should the United States have become an empire? How long could the United
States have maintained an isolationist policy towards the world?

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:

we need the map to answer the question

a variant spelling of the word dote (british)