Final answer:
The Spartans called the people they conquered and enslaved "helots". These helots were agricultural serfs who were tied to the land and forced to work for the Spartans.
Step-by-step explanation:
The Spartans called the people they conquered and enslaved "helots". These helots were agricultural serfs who were forced to work the land owned by the Spartans. They were tied to the land and did not have the freedom to leave or be bought or sold like enslaved people in other parts of Greece.