The Ancien Regime was a social and political system
B I think if you get wrong sorry
It would be a "courtier" that is a term used to describe a person who served a ruler or prince, although it should be noted that it has more of an association with kings and queens than with princes.
Answer:
As a result of the Peloponnesian War, Sparta, which had primarily been a continental culture, became a naval power. At its peak, Sparta overpowered many key Greek states, including the elite Athenian navy.