How did bleeding Kansas cause tension between the North and the South?

Those from the North generally opposed slavery in Kansas. Election fraud, intimidation, and some violence resulted, when the two sides began to contest the territory. The turmoil in Kansas contributed to the growing tension between the North and the South, which eventually led to the outbreak of the Civil War.

Explanation:

disease was the number one killer of native peoples. they had had little exposure to the diseases of europe. this led to some villages being almost completely wiped out and some tribes destroyed.

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: