Why were Carmichael and Thelwell critical of integration as a strategy for the black freedom movement? What concerns did they
address about integration? What role do you think integration should
play in a democratic struggle for justice and equal rights?

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:

mint more silver currency sorry its probably to late.