I think it is B I apologize if I am incorrect
Answer: anticipatory socialization
Explanation:
Anticipatory socialization is the process, facilitated by social interactions, in which non-group-members learn to take on the values and standards of groups that they aspire to join, so as to ease their entry into the group and help them interact competently once they have been accepted by it.
They became a military society to protect and too gain land. By the way the spartans were very succesful too.
Answer: Congressional Caucus