They also asked for land to build US military bases in Africa.

Asked for indemnity clauses in South Africa and sovereign property in South America

Edit:

The government has made down-payments in its deals with both Pfizer and Johnson & Johnson that are not refundable under any circumstance. “This is another onerous term that we had to concede as manufacturers were not prepared for it to be removed,” Mkhize wrote.

Oh, that's why they just stopped doing the J&J vaccine...