Nomadic American Indian tribes living on the Great Plains moved because they -
Select one
followed and hunted the buttalo herds
needed new lands for farming
found new areas with gold and silver
о
were looking for better trade routes

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:

monitor contract compliance and results of forestry activities to assure adherence to government regulations.  

can i have brainlest

b is correct

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