8. the exodusters were (1 point) mexican americans who fled after the mexican-american war. african americans who fled the south after reconstruction. chinese americans who fled the north after the gold rush. native americans who fled the east after the battle of fallen timbers.

d. dr. francis collins

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: