What effect do you think Gregory's years as a leading figure at the papal court had in his decisions to make reforms in the church?

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:

it proved indian land claims were unjustified.

the congress realized that action had to be.

to tell the truth it is a mix of the a and d because after the romans argued among themselves outside forces took control however it is mostly d.