What happened after the Battle of Gettysburg?

President Lincoln Gave the Gettysburg Address

Explanation:

On November 19, 1863, President Lincoln delivered his famous Gettysburg Address during the dedication of a new national cemetery at the site of the Battle of Gettysburg. The Civil War effectively ended with the surrender of General Lee's Army of Northern Virginia in April 1865.

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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: