13. A single element used over and over creates:
Pattern
Balance
Repetition
Movement

my cultural heritage consists of irish, german, native american, and others.

answer: karl marx, max weber, and emile durkheim (the fourth could be considered georg simmel)

explanation:

b. they tried to evict the squatters from the area.

so sorry if wrong

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: