Briefly explain How Mary Queen of scot posed a threat to Queen Elizabeth 1.

Explanation:

Mary, Queen of Scots was a threat to Elizabeth's rule because she had two claims to the English throne: Many people believed Elizabeth to be illegitimate and so felt she had no right to be on the throne. ... Elizabeth had converted England's official religion to Protestantism , leaving many Catholics disgruntled.

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: