How did sparta control the helots

Sparta was at controlling helots, by murdering them, terrorizing them, brainwashing them and beating them into submission. When the Spartans dominance eroded and Greece fell to Rome, helots still did not get their freedom. Instead Of being slaves in Sparta, they became slaves in Rome

c. archbishop desmond tutu promoted the acknowledgement of the rights of black africans and expose human rights abuses.

d. leader haile selassie modernized african society through the institution of progressive social, economic, and educational reforms.