What is the best summary of this passage? Diverse is only possible ifall people share
the same values
The United States should encourage people
to change to become more similar to one
another
The United States must accept differences
among people if it wishes to become a world

Its: C

C. The United States must accept differences  among people if it wishes to become a world

Explanation:

This is the solution you gave in your question.

they could have a boston tea party.

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: