The Roman government conquered lands by sending out large armies to take control over villages and enemy outposts.
These are all examples of the author's purpose, or their reason for writing a text.
Separation from the world is the correct answer.
Amish is known to be a sect community since they radically differ from the mainline Protestant society. The Amish life is based on separation from the world. They believe that in order to be saved you need to live apart from the world in a non individualistic rather loving manner.
The answer to your question is c. a classic republic