When two or more people are communicating but one of the parties is not truly responding but using cliches, usually he or she uses impersonal responses. This type of messages involve the use of generalizations, intellectualized phrases and statements that not come from personal experiences, which avoids an efficient communication.
as an empire on top of mountains so no intruders could get in.
Answer:
They might be trying to find a less opressive place to live (same as people trying to get out of feudal europe) or trying to find economic oportunities (again like people did then)