Select the correct answer. a group of historians are researching the great depression in the united states and the events that led to the stock market crash and drop in the nation's wealth. based on this description, which school of thought do these historians likely belong to? a. cultural history b. economic history c. political history d. social history reset next 2019 edmentum. all rights reserved

most likley economic history

c it says nothing about connecting those 2 seas.

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: