Steps in the american defense of the monroe doctrine included all of the following actions except: involvement in the spanish-american war setting up colonies in latin america taking over haiti's and nicaragua's finances stopping european attempts to set up further new world colonies

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: