What was one effect of the monroe doctrine

-The key point of the Doctrine was to separate the influence in which The United States and European powers would have. Europe would have no intervention within the Western Hemisphere and likewise the United States would not become entangled in European affairs.

-The Monroe Doctrine granted the United States the ability to independently intervene in the trading economy. Having the ability to act alone and be neutral to war situations allowed them to make economic decisions based off of what they felt was best for them to

i used to know but i learned it a long time ago sorry

explanation:

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: