Use your knowledge of US History to answer A, B and C. SAQ A) Some historians refer to the 1920s as the Roaring Twenties. Provide and briefly explain one piece of evidence that would support this view of the decade.

B) Some historians think the main theme of the 1920s is social conflict. Provide and briefly explain one piece of evidence that would support this view of the decade.

C) Some historians think that much of what happened in the 1920s can be explained as a reaction to World War I. Provide and explain one piece of evidence that supports this view of the decade.

30 and 44 are b

explanation:

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 answer to your question is a because laws act as guidelines as to what is accepted in society. without it there would be conflicts between social groups and communities. it serves as a norm of conduct for citizens.