Based off three classes of society. Spartans, Perioci and Helots. Sparta did not have a coin system because of the division in social class in Greece, instead the traded in Iron Bars. The Helots role in society were that of the salves doing farm work, laboring, made to fight with sling short in war, served whatever the Spartans asked of them. The Spartans themselves didn’t trade with anyone, the Kinds were responsible for the diplomacy between other nations.