Which economic indicators are used to measure the global economy? Choose four answers. purchasing power parity
trade volumes
spending power parity
labor market data
gross domestic product
trade deficits and surpluses

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:

the correct statement regarding the federal court systemis that ' congress has the power to create new federal courts.

because it took place after the war of 1812 had come to an end.