(i)They were aliens in their own country and were subjected to all sorts of indignities. (ii) The blacks were treated cruelly. (iii) The great leader vowed to put an end to the inhuman practice. (iv) They were denied all basic human rights. (v) Even dogs received a much better treatment than the blacks. (vi) Eventually, the great leader realised the goal of liberating his own people. (vii) He was thrown behind the prison bar. (viii) Nelson Mandela was the greatest leader of South Africa. (ix) But the oppressive rulers could not break the spirit. (x) In fact, he was one of the greatest leaders of the world who struggled against apartheid throughout his whole life.