Conversation so far:
When did Makeba return to Aftrica?
He persuaded Makeba to return to South Africa, which she did, using her French passport, on 10 June 1990.
Who persuaded Makeba to return to Africa?
Willem de Klerk.

Question: What did Makeba do upon her return to South Africa?
Self-contained rewrite: What did Makeba do upon her return to South Africa?