Spartan did not set up colonies in said they would invade other city-states that make people into slaves what is another name for slaves given by the Spartans?

helot

Explanation:

Several theories exist regarding the origin of the name helot. According to Hellanicus, the word relates to the village of Helos, in the south of Sparta. Pausanias thus states, "Its inhabitants became the first slaves of the Lacedaemonian state, and were the first to be called helots.