What contradiction does this Civil War historian find in the secession of the Southern states?
A. Confederates were outnumbered by Northerners.
B. Confederates demanded the freedom to enslave others.
C. Confederates believed states had the right to leave the Union.
D. Confederates believed slaves were better treated than Northern factory workers.

in the 1950s, country music came into its own before rock-n-roll took off in the 60s while jazz and classical music continued to innovate

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: