Theodore Roosevelt, the New York State assembly member who would become the U. S.’ most conservation-minded president, said: “[our] people should see to it that [these mountains] are preserved for their children and their children's children forever, with their majestic beauty all unmarred.” Considering the footage in the clip, what do you think is the value of undeveloped nature? Why is this a quality to preserve? Who benefits from this preservation?

demand is the need and oportunity to buy a given good or service.

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: