What did emancipation proclamation do.

A. made slavery illegal.
b. freed slaves in the south.
c. freed slaves that fought in the civil war.
d. allowed former slaves to vote in elections.

Im pretty sure it is B

Explanation: President Abraham Lincoln issued the Emancipation Proclamation on January 1, 1863, as the nation approached its third year of bloody civil war. The proclamation declared "that all persons held as slaves" within the rebellious states "are, and henceforward shall be free."

B freed slaves in  the South

Explanation: Hope I helped!

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: