What action on the settlers’ part was key to the development of American constitutional democracy?

the answer to this question is the third option. hope this

we need the pie chart in order to

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:

hi i’m sorry to call y’all today i is a time for you