 Raisa discovered that she was pregnant and although the couple wanted to keep the child she fell ill and required a life-saving abortion.In June 1955, Gorbachev graduated with a distinction; his final paper had been on the advantages of "socialist democracy" (the Soviet political system) over "bourgeois democracy" (liberal democracy).He was subsequently assigned to the Soviet Procurator's office, which was then focusing on the rehabilitation of the innocent victims of Stalin's purges, but found that they had no work for him.